Wechselwirkungen von Felodipin

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)

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)

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

…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)

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)

…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)

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)

Concomitant administration of TOLSURA and felodipine or nisoldipine is contraindicated [see Contraindications (4.1) , Drug Interactions (7.1) and Adverse Reactions (6.2) ] 5.2 Hepatotoxicity Itraconazole has been associated with cases of serious hepatotoxicity, including liver failure and death. (Fachinformation zu Itraconazol, Warnhinweise und Vorsichtsmaßnahmen)

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

…contraindicated with ketoconazole tablets: methadone, disopyramide, dronedarone, ergot alkaloids such as dihydroergotamine, ergometrine, ergotamine, methylergometrine, irinotecan, lurasidone, oral midazolam, alprazolam, triazolam, felodipine, nisoldipine, ranolazine, tolvaptan, eplerenone, lovastatin, simvastatin and colchicine (see PRECAUTIONS: Drug Interactions ). (Fachinformation zu Ketoconazol, Gegenanzeigen)

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

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))

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

Calcium carbonate, aluminum hydroxide, magnesium hydroxide Prevention or Management: Phenytoin and antacids should not be taken at the same time of day Antineoplastic agents (usually in combination) Bleomycin, carboplatin, cisplatin, doxorubicin, methotrexate Antiviral agents Fosamprenavir, nelfinavir, ritonavir Antiepileptic drugs Carbamazepine, vigabatrin Other… (Fachinformation zu Phenytoin, 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)

• 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)

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)

Postural hypotension/syncope: Care should be taken in patients with symptomatic hypotension or who have had a hypotensive response to other medications or are concomitantly treated with antihypertensive medication or nitrates ( 5.1 ) (Fachinformation zu Alfuzosin, Warnhinweise und Vorsichtsmaßnahmen)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

There was also a slightly greater proportion of patients on NUVIGIL requiring new or increased use of antihypertensive medications (2.9%) compared to patients on placebo (1.8%). (Fachinformation zu Armodafinil, Warnhinweise und Vorsichtsmaßnahmen)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

(See DOSAGE AND ADMINISTRATION . ) Concomitant Use of Calcium Channel Blockers Bradycardia and heart block can occur and the left ventricular end diastolic pressure can rise when beta-blockers are administered with verapamil or diltiazem. (Fachinformation zu Atenolol, Warnhinweise)

Because of its relative beta 1 -selectivity, however, atenolol and chlorthalidone may be used with caution in patients with bronchospastic disease who do not respond to or cannot tolerate, other antihypertensive treatment. (Fachinformation zu Atenolol und Chlortalidon, 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)

• Use of avanafil with alpha-blockers, other antihypertensives, or substantial amounts of alcohol (greater than 3 units) may lead to hypotension ( 2.3 , 5.6 , 5.7 ) (Fachinformation zu Avanafil, Warnhinweise und Vorsichtsmaßnahmen)

The thiazide component of Lotensin HCT may potentiate the action of other antihypertensive drugs, especially ganglionic or peripheral adrenergic-blocking drugs. (Fachinformation zu Benazepril und Hydrochlorothiazid, Warnhinweise)

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

Because of its relative beta 1 -selectivity, however, BISOPROLOL FUMARATE may be used with caution in patients with bronchospastic disease who do not respond to, or who cannot tolerate other antihypertensive treatment. (Fachinformation zu Bisoprolol, Warnhinweise)

Because of the relative beta 1 -selectivity of bisoprolol fumarate, bisoprolol fumarate and hydrochlorothiazide tablets may be used with caution in patients with bronchospastic disease who do not respond to, or who cannot tolerate other antihypertensive treatment. (Fachinformation zu Bisoprolol und Hydrochlorothiazid, Warnhinweise)

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)

Oral or intravenous calcium antagonists may cause atrioventricular conduction disturbances, left ventricular failure, and hypotension. (Fachinformation zu Brimonidin und Timolol, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, 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)

Antihypertensives Bumetanide may potentiate the effect of various antihypertensive drugs, necessitating a reduction in the dosage of these drugs. (Fachinformation zu Bumetanid, Arzneimittelwechselwirkungen)

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

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, 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)

COREG may be used with caution, however, in patients who do not respond to, or cannot tolerate, other antihypertensive agents. (Fachinformation zu Carvedilol, Warnhinweise und Vorsichtsmaßnahmen)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Fachinformation zu Chlorothiazid, Warnhinweise)

Effect of chlorthalidone on other drugs Chlorthalidone may add to or potentiate the action of other antihypertensive drugs. (Fachinformation zu Chlortalidon, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Cimetidine - Coadministration of felodipine with cimetidine (a non-specific CYP-450 inhibitor) resulted in an increase of approximately 50% in the AUC and the C max , of felodipine. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

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)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, 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)

…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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

…alfentanil, aprepitant, budesonide, buspirone, conivaptan, cyclosporine, darifenacin, darunavir, dasatinib, dihydroergotamine, dronedarone, eletriptan, eplerenone, ergotamine, everolimus, felodipine, fentanyl, hormonal contraceptive agents, indinavir, fluticasone, lopinavir, lovastatin, lurasidone, maraviroc, midazolam, nisoldipine, pimozide, quetiapine, quinidine, saquinavir,… (Fachinformation zu Deferasirox, Arzneimittelwechselwirkungen)

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

Beta-adrenergic Blockers and Calcium Channel Blockers Additive effects on AV node conduction can result in complete heart block. (Fachinformation zu Digoxin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

Oral or intravenous calcium antagonists may cause atrioventricular conduction disturbances, left ventricular failure, and hypotension. (Fachinformation zu Dorzolamid und Timolol, 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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

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

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

…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)

The administration of other potassium-sparing antihypertensives with NSAIDs has been shown to reduce the antihypertensive effect in some patients and result in severe hyperkalemia in patients with impaired renal function. (Fachinformation zu Eplerenon, 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)

Additional reductions in blood pressure may occur when VELETRI is administered with diuretics, antihypertensive agents, or other vasodilators. (Fachinformation zu Epoprostenol, Arzneimittelwechselwirkungen)

Erythromycin - Coadministration of felodipine with erythromycin resulted in approximately 2.5-fold increase in the AUC and C max , and about 2-fold prolongation in the half-life of felodipine. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, 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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

The thiazide component of fosinopril sodium and hydrochlorothiazide may potentiate the action of other antihypertensive drugs, especially ganglionic or peripheral adrenergic-blocking drugs. (Fachinformation zu Fosinopril und Hydrochlorothiazid, Warnhinweise)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Monitor for changes in blood pressure and adjust the dose of other antihypertensive drugs if needed. (Fachinformation zu Furosemid, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Antihypertensives: Possible additive hypotensive effects. (Fachinformation zu Glyceroltrinitrat (Nitroglycerin), Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

During concomitant use of hydrocodone bitartrate and ibuprofen tablets with diuretics, observe patients for signs of worsening renal function, in addition to assuring diuretic efficacy including antihypertensive effects (see WARNINGS: Renal Toxicity and Hyperkalemia ). (Fachinformation zu Hydrocodon und Ibuprofen, Arzneimittelwechselwirkungen)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Drug Interactions Other Antihypertensives: Indapamide may add to or potentiate the action of other antihypertensive drugs. (Fachinformation zu Indapamid, Arzneimittelwechselwirkungen)

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

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

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Marked symptomatic orthostatic hypotension has been reported when calcium channel blockers and organic nitrates were used in combination. (Fachinformation zu Isosorbidmononitrat, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

When a diuretic is added to the therapy of a patient receiving lisinopril, an additional antihypertensive effect is usually observed (see DOSAGE AND ADMINISTRATION ). (Fachinformation zu Lisinopril und Hydrochlorothiazid, 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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Examples: Drugs known to have potential to prolong QT interval: Class I and III antiarrhythmics, some neuroleptics and tricyclic antidepressants, and calcium channel blockers. (Fachinformation zu Methadon, Arzneimittelwechselwirkungen)

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

The AUC and C max of metoprolol, however, were increased approximately 31 and 38%, respectively. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

The AUC and C max of metoprolol, however, were increased approximately 31 and 38%, respectively. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

However, a retrospective analysis of the use of antihypertensive medication in these studies showed that a greater proportion of patients on PROVIGIL required new or increased use of antihypertensive medications (2.4%) compared to patients on placebo (0.7%). (Fachinformation zu Modafinil, Warnhinweise und Vorsichtsmaßnahmen)

( 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)

Non-dihydropyridine Calcium Channel Blockers Because of significant negative inotropic and chronotropic effects in patients treated with β-blockers and calcium channel blockers of the verapamil and diltiazem type, monitor the ECG and blood pressure in patients treated concomitantly with these agents. (Fachinformation zu Nebivolol, Warnhinweise und Vorsichtsmaßnahmen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Calcium Channel blockers: Diltiazem, nifedipine, verapamil Plasma concentrations may be decreased. (Fachinformation zu Nevirapin, 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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

…and fluoxetine capsules should be used with particular caution in patients with known cardiovascular disease (history of myocardial infarction or ischemia, heart failure, or conduction abnormalities), cerebrovascular disease, or conditions that would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medications). (Fachinformation zu Olanzapin und Fluoxetin, Warnhinweise und 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)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

• 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)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

…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)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, 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)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Syncopal episodes have usually occurred within 30 to 90 minutes of the initial dose of the drug; occasionally, they have been reported in association with rapid dosage increases or the introduction of another antihypertensive drug into the regimen of a patient taking high doses of prazosin hydrochloride capsules. (Fachinformation zu Prazosin, Warnhinweise)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

The concomitant use of beta-adrenergic blockers and non-dihydropyridine calcium channel blockers (e.g., verapamil and diltiazem), digoxin or clonidine increases the risk of significant bradycardia. (Fachinformation zu Propranolol, Warnhinweise und Vorsichtsmaßnahmen)

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)

The thiazide component of quinapril and hydrochlorothiazide tablets may potentiate the action of other antihypertensive drugs, especially ganglionic or peripheral adrenergic- blocking drugs. (Fachinformation zu Quinapril und Hydrochlorothiazid, Warnhinweise)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

…exposure Benzodiazepines Diazepam , Administered with rifampin 1200 mg daily Decrease exposure Benzodiazepine-related drugs Zopiclone Decrease AUC by 82% Zolpidem Decrease AUC by 73% Calcium Channel Blockers Diltiazem Decrease exposure Nifedipine Rifampin 1200 mg administered as a single oral dose 8 hours before administering a single oral dose of nifedipine 10… (Fachinformation zu Rifampicin, Arzneimittelwechselwirkungen)

…Antimalarials Quinine Azole Antifungals Fluconazole, itraconazole, ketoconazole Antipsychotics Haloperidol Barbiturates Phenobarbital Benzodiazepines Diazepam Beta-Blockers Propranolol Calcium Channel Blockers Diltiazem, nifedipine, verapamil Cardiac Glycoside Preparations Digoxin Corticosteroids Prednisone Fibrates Clofibrate Oral Hypoglycemics Sulfonylureas (e.g.,… (Fachinformation zu Rifapentin, Arzneimittelwechselwirkungen)

…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)

Consider the potential for symptomatic hypotension or ischemia in patients with hypovolemia, severe left ventricular outflow obstruction, resting hypotension, autonomic dysfunction, or concomitant treatment with antihypertensives or strong CYP and P-gp/BCRP inhibitors [see Drug Interactions (7.2) and Clinical Pharmacology (12.3) ] . (Fachinformation zu Riociguat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

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

Caution is advised when SILDENAFIL ORAL FILM is co-administered with alpha-blockers or antihypertensives. (Fachinformation zu Sildenafil, Warnhinweise und Vorsichtsmaßnahmen)

However, patients in the Phase 3 clinical studies taking concomitant antihypertensive medications with silodosin capsules did not experience a significant increase in the incidence of syncope, dizziness, or orthostasis. (Fachinformation zu Silodosin, Warnhinweise und Vorsichtsmaßnahmen)

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)

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

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Fachinformation zu Spironolacton und Hydrochlorothiazid, Warnhinweise)

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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Tacrolimus - Felodipine may increase the blood concentration of tacrolimus. (Fachinformation zu Felodipin, 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)

Risk of Hypotension with Concomitant Use of Other Antihypertensive Agents and Phospodiesterase Type 5 Inhibitors (PDE5-I): Concomitant administration of TEZRULY with antihypertensives or phosphodiesterase-5 (PDE-5) inhibitors can result in additive blood pressure lowering effects and symptomatic hypotension (5.3). (Fachinformation zu Terazosin, Warnhinweise und Vorsichtsmaßnahmen)

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)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Oral or intravenous calcium antagonists may cause atrioventricular conduction disturbances, left ventricular failure, and hypotension. (Fachinformation zu Timolol, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

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

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Fachinformation zu Triamteren und Hydrochlorothiazid, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Vardenafil hydrochloride tablets can potentiate the hypotensive effects of nitrates, alpha- blockers, and antihypertensives. (Fachinformation zu Vardenafil, Arzneimittelwechselwirkungen)

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

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

In controlled clinical trials, however, beta-blockers including metoprolol were concurrently administered with felodipine and were well tolerated. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

Effects of Adenosine on Other Drugs Adenosine injection has been given with other cardioactive drugs (such as beta adrenergic blocking agents, cardiac glycosides, and calcium channel blockers) without apparent adverse interactions, but its effectiveness with these agents has not been systematically evaluated. (Fachinformation zu Adenosin, Arzneimittelwechselwirkungen)

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

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)

In such cases, butorphanol should be discontinued and the hypertension treated with antihypertensive drugs. (Fachinformation zu Butorphanol, Warnhinweise)

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)

Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. (Fachinformation zu Candesartan und Hydrochlorothiazid, Warnhinweise)

Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. (Fachinformation zu Captopril, Warnhinweise)

Conversely, the pharmacokinetics of quinidine are not significantly affected by caffeine, ciprofloxacin, digoxin, felodipine, omeprazole, or quinine . (Fachinformation zu Chinidin, Arzneimittelwechselwirkungen)

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

…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)

Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. (Fachinformation zu Enalapril und Hydrochlorothiazid, Warnhinweise)

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)

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

…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)

Drugs That Slow Heart Rate or Atrioventricular Conduction (e.g., beta blockers or diltiazem) Experience with GILENYA in patients receiving concurrent therapy with drugs that slow the heart rate or AV conduction (e.g., beta blockers, digoxin, or heart rate-slowing calcium channel blockers, such as diltiazem or verapamil) is limited. (Fachinformation zu Fingolimod, Arzneimittelwechselwirkungen)

Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. (Fachinformation zu Fosinopril, Warnhinweise)

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

Examples: Thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (Fachinformation zu Glibenclamid und Metformin, Arzneimittelwechselwirkungen)

When other potent parenteral antihypertensive drugs, such as diazoxide, are used in combination with hydralazine, patients should be continuously observed for several hours for any excessive fall in blood pressure. (Fachinformation zu Hydralazin, 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)

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)

Examples: Thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (Fachinformation zu Metformin, Arzneimittelwechselwirkungen)

Drug Interactions When methyldopa is used with other antihypertensive drugs, potentiation of antihypertensive effect may occur. (Fachinformation zu Methyldopa, Arzneimittelwechselwirkungen)

In a large compassionate use program mexiletine has been used concurrently with commonly employed antianginal, antihypertensive, and anticoagulant drugs without observed interactions. (Fachinformation zu Mexiletin, Arzneimittelwechselwirkungen)

Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. (Fachinformation zu Moexipril, Warnhinweise)

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

In controlled clinical trials, however, beta-blockers including metoprolol were concurrently administered with felodipine and were well tolerated. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

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)

Hypertensive patients, and patients concomitantly receiving other antihypertensive medications, may be more sensitive to the effects of sodium nitroprusside than normal subjects. (Fachinformation zu Nitroprussidnatrium, Warnhinweise)

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

Some examples of such drugs are erythromycin, itraconazole, ketoconazole, fluconazole, calcium channel blockers and cimetidine. (Fachinformation zu Pimecrolimus, Arzneimittelwechselwirkungen)

In controlled clinical trials, however, beta-blockers including metoprolol were concurrently administered with felodipine and were well tolerated. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

These drugs include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (Fachinformation zu Pioglitazon und Metformin, Arzneimittelwechselwirkungen)

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

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

Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. (Fachinformation zu Quinapril, Warnhinweise)

Examples: Atypical antipsychotics (e.g., olanzapine and clozapine), calcium channel antagonists, corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline), and… (Fachinformation zu Repaglinid, Arzneimittelwechselwirkungen)

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

Examples: Thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (Fachinformation zu Sitagliptin und Metformin, Arzneimittelwechselwirkungen)

In controlled clinical trials, however, beta-blockers including metoprolol were concurrently administered with felodipine and were well tolerated. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

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)

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

Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. (Fachinformation zu Trandolapril, Warnhinweise)

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

…with or without sulbactam atenolol azithromycin caffeine, dietary ingestion cefaclor co-trimoxazole (trimethoprim and sulfamethoxazole) diltiazem dirithromycin enflurane famotidine felodipine finasteride hydrocortisone isoflurane isoniazid isradipine influenza vaccine ketoconazole lomefloxacin mebendazole medroxyprogesterone methylprednisolone metronidazole metoprolol… (Fachinformation zu Aminophyllin, Arzneimittelwechselwirkungen)

Calcium channel blocking agents: Coadministration of calcium channel blockers did not have any effect on either the safety or efficacy of ibutilide in the clinical trials. (Fachinformation zu Ibutilid, 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)

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)

Other Concomitant Therapy - In healthy subjects there were no clinically significant interactions when felodipine was given concomitantly with indomethacin or spironolactone. (Fachinformation zu Felodipin, Arzneimittelwechselwirkungen)

…nizatidine co-trimoxazole (trimethoprim and sulfamethoxazole) norfloxacin ofloxacin diltiazem omeprazole dirithromycin prednisone, prednisolone enflurane ranitidine famotidine rifabutin felodipine roxithromycin finasteride Sorbitol (purgative doses do not inhibit hydrocortisone theophylline absorption) isoflurane sucralfate isoniazid terbutaline, systemic isradipine… (Fachinformation zu Theophyllin, Arzneimittelwechselwirkungen)