Wechselwirkungen von Nifedipin

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Literature reports suggest that oral calcium antagonists may be used in combination with beta-adrenergic blocking agents when heart function is normal, but should be avoided in patients with impaired cardiac function. (Fachinformation zu Betaxolol, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Calcium Supplements Uncontrolled intake of additional calcium-containing preparations should be avoided (see PRECAUTIONS: General ). (Fachinformation zu Calcitriol, Arzneimittelwechselwirkungen)

• Calcium Channel Blockers: Avoid concomitant use with Calcium Chloride Injection. (Fachinformation zu Calciumchlorid, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Do not administer simultaneously with calcium-containing IV solutions. (Fachinformation zu Ceftriaxon, Warnhinweise und Vorsichtsmaßnahmen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The concomitant use of nifedipine should be avoided in patients in whom gingival hyperplasia develops as a side effect of cyclosporine. (Fachinformation zu Ciclosporin, Arzneimittelwechselwirkungen)

Prevention or Management Avoid co-administration of potent ENT1, CNT3, or BCRP transporter inhibitors (e.g., ritonavir, eltrombopag, curcumin, cyclosporine, dilazep, nifedipine, nimodipine, cilostazol, sulindac, dipyridamole, or reserpine) during the 4 to 5 day MAVENCLAD treatment cycles. (Fachinformation zu Cladribin, Arzneimittelwechselwirkungen)

…with colchicine; markedly increased transaminases with lomitapide; rhabdomyolysis with simvastatin, lovastatin, and atorvastatin; hypoglycemia and cardiac arrhythmias (e.g., torsades de pointes) with disopyramide; and hypotension and acute kidney injury with calcium channel blockers metabolized by CYP3A4 (e.g., verapamil, amlodipine, diltiazem, nifedipine). (Fachinformation zu Clarithromycin, Warnhinweise und Vorsichtsmaßnahmen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Use CLOZARIL cautiously in patients with cardiovascular or cerebrovascular disease or conditions predisposing to hypotension (e.g., dehydration, use of antihypertensive medications) [see Dosage and Administration ( 2.2 , 2.6 ), Warnings and Precautions ( 5.2 )]. (Fachinformation zu Clozapin, Boxed Warning (umrahmter Warnhinweis))

The concomitant use of RYANODEX and calcium channel blockers is not recommended during the treatment of malignant hyperthermia. (Fachinformation zu Dantrolen, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Since there have been isolated reports of patients with elevated digoxin levels, and there is a possible interaction between digoxin and nifedipine extended-release tablet, it is recommended that digoxin levels be monitored when initiating, adjusting and discontinuing nifedipine extended-release tablet to avoid possible over- or under-digitalization. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…of active abnormal bleeding within the previous 30 days Severe hypertension (systolic blood pressure >200 mm Hg or diastolic blood pressure >110 mm Hg) not adequately controlled on antihypertensive therapy Major surgery within the preceding 6 weeks History of stroke within 30 days or any history of hemorrhagic stroke Current or planned administration of another… (Fachinformation zu Eptifibatid, Gegenanzeigen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

IV administration of cardiodepressant calcium-channel antagonists (e.g., verapamil) and BREVIBLOC in close proximity (i.e., while cardiac effects from the other are still present); fatal cardiac arrests have occurred in patients receiving BREVIBLOC and intravenous verapamil. (Fachinformation zu Esmolol, Gegenanzeigen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Grapefruit juice should be avoided by patients on nifedipine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Calcium Channel Blockers Felodipine Nisoldipine Contraindicated during and 2 weeks after TOLSURA treatment. (Fachinformation zu Itraconazol, Arzneimittelwechselwirkungen)

Johanniskraut kann diese Arzneimittel abschwächen, indem es ihren Abbau beschleunigt, was Organabstoßung, Blutgerinnsel oder Wirkverlust bedeuten kann. (NCCIH, St. John's Wort)

IV administration of non-dihydropyridine calcium-channel antagonists (e.g., verapamil) Hypersensitivity reactions, including anaphylaxis, to labetalol Bronchial asthma ( 4 ) (Fachinformation zu Labetalol, Gegenanzeigen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Antihypertensive Drugs When metolazone tablets, USP, are used with other antihypertensive drugs, particular care must be taken to avoid excessive reduction of blood pressure, especially during initial therapy. (Fachinformation zu Metolazon, Warnhinweise)

Minoxidil should be reserved for hypertensive patients who do not respond adequately to maximum therapeutic doses of a diuretic and two other antihypertensive agents. (Fachinformation zu Minoxidil, Boxed Warning (umrahmter Warnhinweis))

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

If blockage occurs, calcium salts may reverse these phenomena but mechanical respiratory assistance may be necessary. (Fachinformation zu Neomycin, Boxed Warning (umrahmter Warnhinweis))

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

CONTRAINDICATIONS Concomitant administration with strong P450 inducers, such as rifampin, are contraindicated since the efficacy of nifedipine tablets could be significantly reduced. (Fachinformation zu Nifedipin, Gegenanzeigen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…coadministration of an alpha-blocker and CIALIS for the treatment of BPH has not been adequately studied, and due to the potential vasodilatory effects of combined use resulting in blood pressure lowering, the combination of CIALIS and alpha-blockers is not recommended for the treatment of BPH. [see Dosage and Administration ( 2.7 ), Drug Interactions ( 7.1 ),… (Fachinformation zu Tadalafil, Warnhinweise und Vorsichtsmaßnahmen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

• If treatment with a gastric acid reducing agent is required, consider using a H2‑receptor antagonist (e.g., ranitidine or famotidine) or an antacid (e.g., calcium carbonate). (Fachinformation zu Acalabrutinib, Arzneimittelwechselwirkungen)

If nifedipine is co-administered with acarbose, blood glucose levels should be monitored carefully and a dose adjustment of nifedipine considered. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Epinephrine may antagonize the neuronal blockade produced by guanethidine resulting in decreased antihypertensive effect and requiring increased dosage of the latter. (Fachinformation zu Adrenalin, Arzneimittelwechselwirkungen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The pressor effects of diethylpropion and those of other drugs may be additive when the drugs are used concomitantly; conversely, diethylpropion may interfere with antihypertensive drugs (i.e., guanethidine, a-methyldopa). (Fachinformation zu Amfepramon, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antihypertensive Drugs Due to its alpha-adrenergic antagonism, aripiprazole has the potential to enhance the effect of certain antihypertensive agents. (Fachinformation zu Aripiprazol, Arzneimittelwechselwirkungen)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (elderly patients, patients with dehydration, hypovolemia, concomitant treatment with antihypertensive medications, patients with known cardiovascular disease (history of myocardial infarction or ischemic heart disease, heart failure, or conduction abnormalities), and patients… (Fachinformation zu Asenapin, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Antihypertensive Drugs Prevention or Management Increase the frequency of monitoring blood pressure and adjust atomoxetine oral solution dosage as clinically appropriate. (Fachinformation zu Atomoxetin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

CYP3A Inhibitors CYP3A inhibitors such as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure… (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Amphetamines may decrease the hypotensive effect of antihypertensives. (Fachinformation zu Benzfetamin, Arzneimittelwechselwirkungen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Hypotension: Use caution when treating patients taking antihypertensives, with a history of syncope, or with dehydration. (Fachinformation zu Bortezomib, Warnhinweise und Vorsichtsmaßnahmen)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, concomitant treatment with antihypertensive medication), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Fachinformation zu Brexpiprazol, Warnhinweise und Vorsichtsmaßnahmen)

Antihypertensives/Cardiac Glycosides Because brimonidine tartrate ophthalmic solution 0.1% and 0.15% may reduce blood pressure, caution in using drugs such as antihypertensives and/or cardiac glycosides with brimonidine tartrate ophthalmic solution 0.1% and 0.15% is advised. (Fachinformation zu Brimonidin, Arzneimittelwechselwirkungen)

Timolol: Hypotension is more likely to occur if dihydropryridine calcium antagonists such as nifedipine are co-administered with timolol. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Use caution in patients taking antihypertensive medications. (Fachinformation zu Bromocriptin, Warnhinweise und Vorsichtsmaßnahmen)

Central Nervous System (CNS) depressants Antihistamines have additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, antianxiety agents, etc.). Antihypertensive drugs Sympathomimetic may reduce the effects of antihypertensive drugs. (Fachinformation zu Brompheniramin, Pseudoephedrin und Dextromethorphan, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Calcium Channel Blockers : Administration of calcium may reduce the response. (Fachinformation zu Calciumgluconat, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Symptomatic postural hypotension has occurred when carbidopa, given with levodopa or carbidopa-levodopa combination products, was added to the treatment of a patient receiving antihypertensive drugs. (Fachinformation zu Carbidopa, Arzneimittelwechselwirkungen)

Antihypertensive drugs: May cause symptomatic postural hypotension. (Fachinformation zu Carbidopa und Levodopa, Arzneimittelwechselwirkungen)

Antihypertensive Agents Symptomatic postural hypotension has occurred when carbidopa/levodopa was added to the treatment of patients receiving antihypertensive drugs. (Fachinformation zu Carbidopa, Levodopa und Entacapon, Arzneimittelwechselwirkungen)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Fachinformation zu Cariprazin, Warnhinweise und Vorsichtsmaßnahmen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Intervention: During concomitant use of VYSCOXA with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [ see Warnings and Precautions (5.6) ]. (Fachinformation zu Celecoxib, Arzneimittelwechselwirkungen)

Co-administration of multiple doses of quinidine sulfate, 200 mg t.i.d., and nifedipine, 20 mg t.i.d., increased C max and AUC of nifedipine in healthy volunteers by factors of 2.30 and 1.37, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Cimetidine: Five studies in healthy volunteers investigated the impact of multiple cimetidine doses on the single or multiple dose pharmacokinetics of nifedipine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

If corrected serum calcium falls below the lower limit of normal or symptoms of hypocalcemia develop, start or increase calcium supplementation (including calcium, calcium-containing phosphate binders, and/or vitamin D sterols or increases in dialysate calcium concentration). (Fachinformation zu Cinacalcet, Warnhinweise und Vorsichtsmaßnahmen)

…polymeric phosphate binders (for example, sevelamer, lanthanum carbonate); sucralfate; Videx ® (didanosine) chewable/buffered tablets or pediatric powder; other highly buffered drugs; or products containing calcium, iron, or zinc and dairy products) Ciprofloxacin should be taken at least two hours before or six hours after Multivalent cation-containing products administration… (Fachinformation zu Ciprofloxacin, Arzneimittelwechselwirkungen)

Drugs that affect sinus node function or AV node conduction (e.g., digitalis, calcium channel blockers, beta blockers) Clinical Implication Concomitant use of drugs that affect sinus node function or AV node conduction with clonidine potentiate bradycardia and risk of AV block [see Warnings and Precautions (5.1) ]. (Fachinformation zu Clonidin, Arzneimittelwechselwirkungen)

Non-Cardiovascular Drugs Antifungal Drugs Ketoconazole, itraconazole and fluconazole are CYP3A inhibitors and can inhibit the metabolism of nifedipine and increase the exposure to nifedipine during concomitant therapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

…concomitant use of TONMYA with: MAO inhibitors may be life-threatening [see Contraindications (4) ] , Alcohol, barbiturates, and other CNS depressants may increase the risk of adverse reactions associated with these drugs, Tramadol may increase the seizure risk, Guanethidine or other similar acting drugs may block the antihypertensive action of these drugs. (Fachinformation zu Cyclobenzaprin, Arzneimittelwechselwirkungen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

• Antihypertensive Drugs: Monitor blood pressure. (Fachinformation zu Dexmethylphenidat, Arzneimittelwechselwirkungen)

Co-administration of multiple doses of quinidine sulfate, 200 mg t.i.d., and nifedipine, 20 mg t.i.d., increased C max and AUC of nifedipine in healthy volunteers by factors of 2.30 and 1.37, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Intervention: During concomitant use of ZIPSOR with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [ see Warnings and Precautions ( 5.6 ) ]. (Fachinformation zu Diclofenac, Arzneimittelwechselwirkungen)

Intervention: During concomitant use of diclofenac sodium/misoprostol with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [see Warnings and Precautions (5.7) ] . (Fachinformation zu Diclofenac und Misoprostol, Arzneimittelwechselwirkungen)

Calcium Channel Blockers Diltiazem: Pre-treatment of healthy volunteers with 30 mg or 90 mg t.i.d. diltiazem p.o. increased the AUC of nifedipine after a single dose of 20 mg nifedipine by factors of 2.2 and 3.1, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Concomitant medications were grouped as ACE inhibitors, oral anticoagulants, calcium channel blockers, beta blockers, cardiac glycosides, inducers of CYP3A4, substrates and inhibitors of CYP3A4, substrates and inhibitors of P-glycoprotein, nitrates, sulphonylureas, loop diuretics, potassium sparing diuretics, thiazide diuretics, substrates and inhibitors of tubular… (Fachinformation zu Dofetilid, Arzneimittelwechselwirkungen)

Timolol: Hypotension is more likely to occur if dihydropryridine calcium antagonists such as nifedipine are co-administered with timolol. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

In the presence of doxazosin, AUC and C max of nifedipine were increased by factors of 1.13 and 1.23, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Hypercalcemia may be exacerbated by concomitant administration of high doses of calcium-containing preparations, thiazide diuretics, or other vitamin D compounds [see Drug Interactions ( 7 )]. (Fachinformation zu Doxercalciferol, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Possible pharmacodynamic interactions can occur between droperidol and potentially arrhythmogenic agents such as class I or III antiarrhythmics, antihistamines that prolong the QT interval, antimalarials, calcium channel blockers, neuroleptics that prolong the QT interval, and antidepressants. (Fachinformation zu Droperidol, Arzneimittelwechselwirkungen)

The risk of BP decreases may be greater in patients taking concomitant medications that induce orthostatic hypotension (such as antihypertensives) or are potent CYP1A2 inhibitors [see Drug Interactions ( 7.1 )] and in patients taking duloxetine delayed-release capsules at doses above 60 mg daily. (Fachinformation zu Duloxetin, Warnhinweise und Vorsichtsmaßnahmen)

Calcium Channel Antagonists Coadministration of verapamil or diltiazem decreases dutasteride clearance and leads to increased exposure to dutasteride. (Fachinformation zu Dutasterid, Arzneimittelwechselwirkungen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Non-Cardiovascular Drugs Antifungal Drugs Ketoconazole, itraconazole and fluconazole are CYP3A inhibitors and can inhibit the metabolism of nifedipine and increase the exposure to nifedipine during concomitant therapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

…Interactions Concomitant Drug Class: Drug Name Effect on Concentration Increase = ↑; Decrease = ↓; No Effect = ↔ Clinical Comment Antacids: antacids (e.g., aluminum, magnesium hydroxide, or calcium carbonate) ↔ RPV (antacids taken at least 2 hours before or at least 4 hours after RPV) ↓ RPV (concomitant intake) Administer antacids at least 2 hours before or at least 4… (Fachinformation zu Emtricitabin, Rilpivirin und Tenofovir, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Following initiation and titration of Epogen, approximately 25% of patients on dialysis required initiation of or increases in antihypertensive therapy; hypertensive encephalopathy and seizures have been reported in patients with CKD receiving Epogen. (Fachinformation zu Epoetin alfa, Warnhinweise und Vorsichtsmaßnahmen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

CYP3A Inhibitors CYP3A inhibitors such as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure… (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Amiodarone, Dronedarone, Ranolazine, or Calcium Channel Blockers Clinical Impact: The risk of myopathy and rhabdomyolysis is increased by concomitant use of amiodarone, dronedarone, ranolazine, or calcium channel blockers with VYTORIN. (Fachinformation zu Ezetimib und Simvastatin, Arzneimittelwechselwirkungen)

Intervention: During concomitant use of FENOPROFEN CALCIUM with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [ see Warnings and Precautions ( 5.6 ) ]. (Fachinformation zu Fenoprofen, Arzneimittelwechselwirkungen)

Severe hypotension and/or increased fluid volume requirements have been reported in patients who received immediate-release capsules together with a beta-blocking agent and who underwent coronary artery bypass surgery using high-dose fentanyl anesthesia. (Fachinformation zu Nifedipin, Warnhinweise)

CYP3A Inhibitors CYP3A inhibitors such as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure… (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Intervention: During concomitant use of flurbiprofen with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [ see Warnings and Precautions (5) ]. (Fachinformation zu Flurbiprofen, Arzneimittelwechselwirkungen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Instruct patients to take supplemental calcium and vitamin D if their dietary intake is inadequate (see Dosage and Administration [2.3] ) . (Fachinformation zu Ibandronsäure, Warnhinweise und Vorsichtsmaßnahmen)

Intervention: During concomitant use of CALDOLOR with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [ see Warnings and Precautions ( 5.6 ) ]. (Fachinformation zu Ibuprofen, Arzneimittelwechselwirkungen)

Intervention: During concomitant use of ibuprofen and famotidine tablet with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [see Warnings and Precautions ( 5.7 )] . (Fachinformation zu Ibuprofen und Famotidin, Arzneimittelwechselwirkungen)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Fachinformation zu Iloperidon, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Monitor patients to assure diuretic efficacy including antihypertensive effects ( 7 ) (Fachinformation zu Indometacin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Calcium Antagonists FORANE may lead to marked hypotension in patients treated with calcium antagonists. (Fachinformation zu Isofluran, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

VIMPAT should also be used with caution in patients on concomitant medications that affect cardiac conduction, including sodium channel blockers, beta-blockers, calcium channel blockers, potassium channel blockers, and medications that prolong the PR interval [see Drug Interactions (7.2) ] . (Fachinformation zu Lacosamid, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Calcium Channel Blocking Agents (CCB) Clinical Impact: Concomitant use may increase the risk of neurologic adverse reactions in the form of ataxia, tremors, nausea, vomiting, diarrhea and/or tinnitus. (Fachinformation zu Lithium, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive drugs), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and patients… (Fachinformation zu Lumateperon, Warnhinweise und Vorsichtsmaßnahmen)

Patients at increased risk of these adverse reactions or at increased risk of developing complications from hypotension include those with dehydration, hypovolemia, treatment with antihypertensive medication, history of cardiovascular disease (e.g., heart failure, myocardial infarction, ischemia, or conduction abnormalities), history of cerebrovascular disease,… (Fachinformation zu Lurasidon, Warnhinweise und Vorsichtsmaßnahmen)

The action of Mecamylamine HCl may be potentiated by anesthesia, other antihypertensive drugs and alcohol. (Fachinformation zu Mecamylamin, Arzneimittelwechselwirkungen)

Intervention: During concomitant use of mefenamic acid with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [see Warnings and Precautions ( 5.6 )] . (Fachinformation zu Mefenaminsäure, Arzneimittelwechselwirkungen)

Other Drugs that Prolong the QTc Interval Coadministration of other drugs known to alter cardiac conduction (e.g., anti-arrhythmic or beta-adrenergic blocking agents, calcium channel blockers, antihistamines or H 1 -blocking agents, tricyclic antidepressants and phenothiazines) might also contribute to a prolongation of the QTc interval. (Fachinformation zu Mefloquin, Arzneimittelwechselwirkungen)

Intervention: During concomitant use of QAMZOVA with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [ see Warnings and Precautions ( 5.6 ) ]. (Fachinformation zu Meloxicam, Arzneimittelwechselwirkungen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antihypertensive Drugs: Monitor blood pressure. (Fachinformation zu Methylphenidat, Arzneimittelwechselwirkungen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Monitor for sirolimus, itraconazole or nifedipine toxicity, and dosage of sirolimus, itraconazole or nifedipine should be reduced, if necessary. (Fachinformation zu Micafungin, Arzneimittelwechselwirkungen)

Non-Cardiovascular Drugs Antifungal Drugs Ketoconazole, itraconazole and fluconazole are CYP3A inhibitors and can inhibit the metabolism of nifedipine and increase the exposure to nifedipine during concomitant therapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

REMERON/REMERONSolTab should be used with caution in patients with known cardiovascular or cerebrovascular disease that could be exacerbated by hypotension (history of myocardial infarction, angina, or ischemic stroke) and conditions that would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medication). (Fachinformation zu Mirtazapin, Warnhinweise und Vorsichtsmaßnahmen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

( 5.3 Hepatotoxicity) Hypertension: Patients taking some antihypertensive medications may have impaired response to these therapies when taking NSAIDs. (Fachinformation zu Naproxen, Warnhinweise und Vorsichtsmaßnahmen)

Intervention : During concomitant use of naproxen and esomeprazole magnesium delayed-release tablets with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [see Warnings and Precautions (5.6) ]. (Fachinformation zu Naproxen und Esomeprazol, Arzneimittelwechselwirkungen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Caution should also be used when niacin extended-release tablets are used in patients with unstable angina or in the acute phase of an MI, particularly when such patients are also receiving vasoactive drugs such as nitrates, calcium channel blockers, or adrenergic blocking agents. (Fachinformation zu Nicotinsäure (Niacin), Warnhinweise und Vorsichtsmaßnahmen)

Blood Pressure Lowering Drugs Nimodipine may increase the blood pressure lowering effect of concomitantly administered anti-hypertensives such as diuretics, beta-blockers, ACE inhibitors, angiotensin receptor blockers, other calcium channel blockers, α-adrenergic blockers, PDE5 inhibitors, and α-methyldopa. (Fachinformation zu Nimodipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Beta Blocker and Calcium Channel Blockers : dose adjustment of beta blockers or calcium channel blockers may be necessary (‎ 7 ). (Fachinformation zu Octreotid, Arzneimittelwechselwirkungen)

…of myocardial infarction or ischemia, heart failure, or conduction abnormalities), cerebrovascular disease, and conditions which would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medications) where the occurrence of syncope, or hypotension and/or bradycardia might put the patient at increased medical risk. (Fachinformation zu Olanzapin, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antisecretory Drugs Omeprazole: In healthy volunteers receiving a single dose of 10 mg nifedipine, AUC and C max of nifedipine after pre-treatment with omeprazole 20 mg q.d. for 8 days were 1.26 and 0.87 times those after pre-treatment with placebo. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Antisecretory Drugs Omeprazole: In healthy volunteers receiving a single dose of 10 mg nifedipine, AUC and C max of nifedipine after pre-treatment with omeprazole 20 mg q.d. for 8 days were 1.26 and 0.87 times those after pre-treatment with placebo. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Intervention: During concomitant use of OXAPROZIN CAPSULES with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects [see WARNINGS AND PRECAUTIONS (5.6) ]. (Fachinformation zu Oxaprozin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Use ERZOFRI with caution in patients with known cardiovascular disease (e.g., heart failure, history of myocardial infarction or ischemia, conduction abnormalities), cerebrovascular disease, or conditions that predispose the patient to hypotension (e.g., dehydration, hypovolemia, and treatment with antihypertensive medications). (Fachinformation zu Paliperidon, Warnhinweise und Vorsichtsmaßnahmen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

• Hypertension : Patients taking some antihypertensive medications may have impaired response to these therapies when taking NSAIDs. (Fachinformation zu Paracetamol und Ibuprofen, Warnhinweise und Vorsichtsmaßnahmen)

Hypercalcemia may be exacerbated by concomitant administration of high doses of calcium-containing preparations, thiazide diuretics, or other vitamin D compounds [see Drug Interactions (7) ] . (Fachinformation zu Paricalcitol, Warnhinweise und Vorsichtsmaßnahmen)

Adjustments in the dose of drugs known to slow the heart rate (e.g., beta-blockers, calcium channel blockers) and correction of electrolyte disturbances may be necessary when initiating or during the course of SIGNIFOR LAR treatment. (Fachinformation zu Pasireotid, Warnhinweise und Vorsichtsmaßnahmen)

Monitor blood pressure as clinically indicated and initiate and adjust antihypertensive therapy as appropriate. (Fachinformation zu Pazopanib, Warnhinweise und Vorsichtsmaßnahmen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Small decreases in blood pressure have been observed in some patients treated with pentoxifylline extended-release tablets; periodic systemic blood pressure monitoring is recommended for patients receiving concomitant antihypertensive therapy. (Fachinformation zu Pentoxifyllin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

…hydrochloride desipramine hydrochloride imipramine hydrochloride doxepin carbamazepine cyclobenzaprine HCl amoxapine maprotiline HCl trimipramine maleate protriptyline HCl mirtazapine Phenelzine sulfate should be used with caution in combination with antihypertensive drugs, including thiazide diuretics and β-blockers, since exaggerated hypotensive effects may result. (Fachinformation zu Phenelzin, Warnhinweise)

Alternative antihypertensive therapy should be considered in patients taking phenytoin, phenobarbital, and carbamazepine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antagonistic Effects (decrease in BIORPHEN blood pressure effect) can occur with α-adrenergic antagonists, phosphodiesterase Type 5 inhibitors, mixed α- and β-receptor antagonists, calcium channel blockers, benzodiazepines and ACE inhibitors, centrally acting sympatholytic agents. (Fachinformation zu Phenylephrin, Arzneimittelwechselwirkungen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Monitor patients to assure diuretic efficacy including antihypertensive effects (7) (Fachinformation zu Piroxicam, Arzneimittelwechselwirkungen)

Experience with PONVORY is limited in patients receiving concurrent therapy with drugs that decrease heart rate (e.g., beta-blockers, non-dihydropyridine calcium channel blockers - diltiazem and verapamil, and other drugs that may decrease heart rate such as digoxin). (Fachinformation zu Ponesimod, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Quetiapine should be used with particular caution in patients with known cardiovascular disease (history of myocardial infarction or ischemic heart disease, heart failure, or conduction abnormalities), cerebrovascular disease, or conditions which would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medications). (Fachinformation zu Quetiapin, Warnhinweise und Vorsichtsmaßnahmen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Ranitidine: Five studies in healthy volunteers investigated the impact of multiple ranitidine doses on the single or multiple dose pharmacokinetics of nifedipine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Repaglinide: Co-administration of 10 mg nifedipine with a single dose of 2 mg repaglinide (after 4 days nifedipine 10 mg t.i.d. and repaglinide 2 mg t.i.d.) resulted in unchanged AUC and C max values for both drugs. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

…Drug Name Effect on Concentration of Rilpivirine or Concomitant Drug Clinical Comment ↑=increase, ↓=decrease, ↔=no change Antacids: antacids (e.g., aluminum or magnesium hydroxide, calcium carbonate) ↔ rilpivirine (antacids taken at least 2 hours before or at least 4 hours after rilpivirine) The combination of EDURANT or EDURANT PED and antacids should be used… (Fachinformation zu Rilpivirin, Arzneimittelwechselwirkungen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Calcium Supplements/Antacids When Risedronate sodium delayed-release was administered following breakfast, the co-administration of a tablet containing 600 mg of elemental calcium and 400 international units vitamin D reduced risedronate bioavailability by approximately 38% [ see Clinical Pharmacology (12.3) ] . (Fachinformation zu Risedronsäure, Arzneimittelwechselwirkungen)

Clinically significant hypotension has been observed with concomitant use of oral RISPERDAL and antihypertensive medication. (Fachinformation zu Risperidon, Warnhinweise und Vorsichtsmaßnahmen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Calcium antagonists Sevoflurane may lead to marked hypotension in patients treated with calcium antagonists. (Fachinformation zu Sevofluran, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Amiodarone, Dronedarone, Ranolazine, or Calcium Channel Blockers Clinical Impact: The risk of myopathy and rhabdomyolysis is increased by concomitant use of amiodarone, dronedarone, ranolazine, or calcium channel blockers with ZOCOR. (Fachinformation zu Simvastatin, Arzneimittelwechselwirkungen)

Sirolimus: A single 60 mg dose of nifedipine and a single 10 mg dose of sirolimus oral solution were administered to 24 healthy volunteers. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Metformin: A single dose metformin-nifedipine interaction study in normal healthy volunteers demonstrated that co-administration of nifedipine increased plasma metformin C max and AUC by 20% and 9%, respectively, and increased the amount of metformin excreted in urine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Consider temporary or permanent discontinuation for severe or persistent hypertension despite antihypertensive therapy. (Fachinformation zu Sorafenib, Warnhinweise und Vorsichtsmaßnahmen)

These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment, and may be more likely in patients using concomitant beta-blockers. (Fachinformation zu Nifedipin, Warnhinweise)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Monitor patients to assure diuretic efficacy including antihypertensive effects. (Fachinformation zu Sumatriptan und Naproxen, Arzneimittelwechselwirkungen)

Initiate and/or adjust antihypertensive therapy as appropriate. (Fachinformation zu Sunitinib, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Transplant patients on tacrolimus and nifedipine required from 26% to 38% smaller doses than patients not receiving nifedipine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Monitor patients for signs and symptoms of angioedema when temsirolimus is given concomitantly with angiotensin converting enzyme (ACE) inhibitors (e.g., ramipril) or calcium channel blockers (CCB) (e.g., amlodipine). (Fachinformation zu Temsirolimus, Arzneimittelwechselwirkungen)

Central Alpha1-Blockers Doxazosin: Healthy volunteers participating in a multiple dose doxazosin-nifedipine interaction study received 2 mg doxazosin q.d. alone or combined with 20 mg nifedipine ER b.i.d. Co-administration of nifedipine resulted in a decrease in AUC and C max of doxazosin to 83% and 86% of the values in the absence of nifedipine, respectively. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

In patients with hypertension on antihypertensive therapy, TLANDO increased the mean systolic/diastolic BP by 4.8/1.6 mm Hg from baseline. [see Adverse Reactions ( 6.1 )] . (Fachinformation zu Testosteron, Warnhinweise und Vorsichtsmaßnahmen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Timolol: Hypotension is more likely to occur if dihydropryridine calcium antagonists such as nifedipine are co-administered with timolol. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

The interaction with high-dose fentanyl appears to be due to the combination of nifedipine and a beta-blocker, but the possibility that it may occur with nifedipine alone, with low doses of fentanyl, in other surgical procedures, or with other narcotic analgesics cannot be ruled out. (Fachinformation zu Nifedipin, Warnhinweise)

ACE Inhibitors Benazepril: In healthy volunteers receiving single dose of 20 mg nifedipine ER and benazepril 10 mg, the plasma concentrations of benazeprilat and nifedipine in the presence and absence of each other were not statistically significantly different. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Concomitant use with an antihypertensive may require a reduction in the dose of the antihypertensive drug. (Fachinformation zu Trazodon, Warnhinweise und Vorsichtsmaßnahmen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Valproic acid may increase the exposure to nifedipine during concomitant therapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Other Diuretics, PDE5 inhibitors, alpha-methyldopa: Nifedipine may increase the blood pressure lowering effect of these concomitantly administered agents. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Metoprolol: Possibly reduced blood-pressure lowering effect despite increased metoprolol plasma levels. (Fachinformation zu Venlafaxin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Nifedipine is a vasodilator, and co-administration of other drugs affecting blood pressure may result in pharmacodynamic interactions. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…as ketoconazole, fluconazole, itraconazole, clarithromycin, erythromycin (Azithromycin, although structurally related to the class of macrolide antibiotic is void of clinically relevant CYP3A4 inhibition), grapefruit, nefazodone, fluoxetine, saquinavir, indinavir, nelfinavir, and ritonavir may result in increased exposure to nifedipine when co-administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antithrombotics Coumarins: There have been rare reports of increased prothrombin time in patients taking coumarin anticoagulants to whom nifedipine was administered. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Ziprasidone should be used with particular caution in patients with known cardiovascular disease (history of myocardial infarction or ischemic heart disease, heart failure or conduction abnormalities), cerebrovascular disease, or conditions which would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medications). (Fachinformation zu Ziprasidon, Warnhinweise und Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Calcium supplements, antacids or oral medications containing multivalent cations interfere with absorption of alendronate. (Fachinformation zu Alendronsäure, Arzneimittelwechselwirkungen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

If neuromuscular blockade occurs, it may be reversed by the administration of calcium salts but mechanical respiratory assistance may be necessary. (Fachinformation zu Amikacin, Warnhinweise und Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Concomitant Drug Class: Drug Name Effect on Concentration Clinical Comment Antacids containing polyvalent cations (e.g., aluminum or magnesium hydroxide, calcium carbonate) ↓Cabotegravir Administer antacid products at least 2 hours before or 4 hours after taking VOCABRIA. (Fachinformation zu Cabotegravir, Arzneimittelwechselwirkungen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Candesartan: No significant drug interaction has been reported in studies with candesartan cilexitil given together with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Chlorpromazine may counteract the antihypertensive effect of guanethidine and related compounds. (Fachinformation zu Chlorpromazin, Warnhinweise)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

…malignant hyperthermia in patients with known or suspected susceptibility based on genetic factors or family history, including those with certain inherited ryanodine receptor (RYR1) or dihydropyridine receptor (CACNA1S) variants. [see Contraindications (4), Clinical Pharmacology (12.5)] Signs consistent with malignant hyperthermia may include hyperthermia, hypoxia,… (Fachinformation zu Desfluran, Warnhinweise und Vorsichtsmaßnahmen)

This drug is capable of blocking the antihypertensive effect of guanethidine and similarly acting compounds. (Fachinformation zu Desipramin, Warnhinweise)

If other contraceptive methods are not suitable, hormonal contraceptive therapy may continue combined with antihypertensive therapy. (Fachinformation zu Desogestrel und Ethinylestradiol, Warnhinweise)

Antihypertensives Amphetamines may antagonize the hypotensive effects of antihypertensives. (Fachinformation zu Dexamfetamin, Arzneimittelwechselwirkungen)

Drug Interactions ACE-inhibitors and Angiotensin II Anagonists Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE-inhibitors and angiotensin II antagonists. (Fachinformation zu Diflunisal, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Examples: α-adrenergic antagonists, β-adrenergic receptor antagonists, reserpine, quinidine, mephentermine Other Drug Interactions G u anethidine C linical Impact: Ephedrine may inhibit the neuron blockage produced by guanethidine, resulting in loss of antihypertensive effectiveness. (Fachinformation zu Ephedrin, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Drug Interactions ACE-inhibitors Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE-inhibitors. (Fachinformation zu Etodolac, Arzneimittelwechselwirkungen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

…studies with acetaminophen, acetylsalicylic acid, α-blockers, angiotensin-converting enzyme (ACE) inhibitors, analgesics, anti-convulsants, beta-adrenergic blocking agents, diuretics, calcium channel blockers, cardiac nitrates, HMG-CoA reductase inhibitors, nonsteroidal anti-inflammatory drugs (NSAIDs), benzodiazepines, H 2 antagonists and quinolone anti-infectives… (Fachinformation zu Finasterid, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Flecainide: There has been too little experience with the co-administration of Tambocor with nifedipine to recommend concomitant use. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

If neuromuscular blockade occurs, calcium salts may reverse it. (Fachinformation zu Gentamicin, Arzneimittelwechselwirkungen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

ACE Inhibitors FIRAZYR is a bradykinin B2 receptor antagonist and thereby has the potential to have a pharmacodynamic interaction with ACE inhibitors where FIRAZYR may attenuate the antihypertensive effect of ACE inhibitors. (Fachinformation zu Icatibant, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Angiotensin-II Blockers Irbesartan: In vitro studies show significant inhibition of the formation of oxidized irbesartan metabolites by nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

In a study in hypertensive patients, addition of isradipine to existing hydrochlorothiazide therapy did not result in any unexpected adverse effects, and isradipine had an additional antihypertensive effect. (Fachinformation zu Isradipin, Arzneimittelwechselwirkungen)

ACE-inhibitors Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE-inhibitors. (Fachinformation zu Ketoprofen, Warnhinweise und Vorsichtsmaßnahmen)

Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE inhibitors and/or angiotensin II receptor antagonists. (Fachinformation zu Ketorolac, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Miglitol: No effect of miglitol was observed on the pharmacokinetics and pharmacodynamics of nifedipine. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Drug Interactions: ACE-inhibitors: Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE-inhibitors. (Fachinformation zu Nabumeton, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

The blood pressure effect of SULAR tended to be greater in patients on atenolol than in patients on no other antihypertensive therapy. (Fachinformation zu Nisoldipin, Arzneimittelwechselwirkungen)

The antihypertensive action of guanethidine and similar agents may be blocked. (Fachinformation zu Nortriptylin, Warnhinweise)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Pantoprazole: In healthy volunteers the exposure to neither drug was changed significantly in the presence of the other drug. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Antihypertensive effects of guanethidine and related compounds may be counteracted when phenothiazines are used concomitantly. (Fachinformation zu Prochlorperazin, Vorsichtsmaßnahmen)

Cardiovascular Drugs Antiarrhythmics Quinidine: Quinidine is a substrate of CYP3A and has been shown to inhibit CYP3A in vitro . (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Protriptyline may block the antihypertensive effect of guanethidine or similarly acting compounds. (Fachinformation zu Protriptylin, Warnhinweise)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

DRUG INTERACTIONS ACE-inhibitors Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE-inhibitors. (Fachinformation zu Salsalat, Arzneimittelwechselwirkungen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Drug Interactions ACE-Inhibitors and Angiotensin II Antagonists Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE-inhibitors and angiotensin II antagonists. (Fachinformation zu Sulindac, Arzneimittelwechselwirkungen)

QUELICIN can induce malignant hyperthermia in patients with known or suspected susceptibility based on genetic factors or family history, including those with certain inherited ryanodine receptor (RYR1) or dihydropyridine receptor (CACNA1S) variants. [see Contraindications (4) , Clinical Pharmacology (12.5) ] . (Fachinformation zu Suxamethonium, Warnhinweise und Vorsichtsmaßnahmen)

There is no information available from adequate drug-drug interaction studies with the following classes of drugs: oral contraceptives, hormone replacement therapies, hypoglycemics, phenytoins, thiazide diuretics, and calcium channel blockers. (Fachinformation zu Terbinafin, Arzneimittelwechselwirkungen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

DRUG INTERACTIONS ACE Inhibitors: Reports suggest that NSAIDs may diminish the antihypertensive effect of ACE Inhibitors. (Fachinformation zu Tolmetin, Arzneimittelwechselwirkungen)

Antihypertensive effects of guanethidine and related compounds may be counteracted when phenothiazines are used concurrently. (Fachinformation zu Trifluoperazin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Immunosuppressive Drugs Tacrolimus: Tacrolimus has been shown to be metabolized via the CYP3A system. (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

No other formal drug-drug interaction studies between zafirlukast and marketed drugs known to be metabolized by the P450 3A4 (CYP3A4) isoenzyme (e.g., dihydropyridine calcium-channel blockers, cyclosporin, cisapride) have been conducted. (Fachinformation zu Zafirlukast, Vorsichtsmaßnahmen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…finasteride hydrocortisone isoflurane isoniazid isradipine influenza vaccine ketoconazole lomefloxacin mebendazole medroxyprogesterone methylprednisolone metronidazole metoprolol nadolol nifedipine nizatidine norfloxacin ofloxacin omeprazole prednisone, prednisolone ranitidine rifabutin roxithromycin sorbitol (purgative doses do not inhibit theophylline absorption)… (Fachinformation zu Aminophyllin, Arzneimittelwechselwirkungen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

No interaction was observed in healthy subjects between midazolam and nifedipine. (Fachinformation zu Midazolam, Arzneimittelwechselwirkungen)

Drugs Interfering with Food Absorption Orlistat: In 17 normal-weight subjects receiving orlistat 120 mg t.i.d. for 6 days, orlistat did not alter the bioavailability of 60 mg nifedipine (extended-release tablets). (Fachinformation zu Nifedipin, Vorsichtsmaßnahmen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

…Clinically Significant Drug Interaction with TAMIFLU No dose adjustments are needed for either oseltamivir or the concomitant drug when coadministering oseltamivir with amoxicillin, acetaminophen, aspirin, cimetidine, antacids (magnesium and aluminum hydroxides and calcium carbonates), rimantadine, amantadine, or warfarin [see Clinical Pharmacology (12.3) ] . (Fachinformation zu Oseltamivir, Arzneimittelwechselwirkungen)

Platelet Aggregation Inhibitors Clopidogrel: No clinically significant pharmacodynamic interactions were observed when clopidogrel was co-administered with nifedipine. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Moreover, atazanavir, atazanavir/ritonavir, boceprevir, calcium carbonate antacids, darunavir/ritonavir, efavirenz, etravirine, omeprazole, or tipranavir/ritonavir did not have a clinically meaningful effect on the pharmacokinetics of raltegravir. (Fachinformation zu Raltegravir, Arzneimittelwechselwirkungen)

…mebendazole amoxicillin medroxyprogesterone ampicillin, with or without methylprednisolone sulbactam metronidazole atenolol metoprolol azithromycin nadolol caffeine, dietary ingestion nifedipine cefaclor nizatidine co-trimoxazole (trimethoprim and sulfamethoxazole) norfloxacin ofloxacin diltiazem omeprazole dirithromycin prednisone, prednisolone enflurane ranitidine… (Fachinformation zu Theophyllin, Arzneimittelwechselwirkungen)

Tirofiban: Co-administration of nifedipine did not alter the exposure to tirofiban importantly. (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)