Dexaméthasone : interactions médicamenteuses

At the primary analysis, increased incidences of fractures (28.6% vs 11.4%) and deaths (38.5% vs 35.5%) have been observed in patients who received abiraterone acetate plus a corticosteroid in combination with radium Ra 223 dichloride compared to patients who received placebo in combination with abiraterone acetate plus a corticosteroid. (notice Abiratérone, Mises en garde et précautions)

• CYP3A Inducers: Avoid co-administration with strong CYP3A inducers. (notice Acalabrutinib, Interactions médicamenteuses)

Most patients who developed these infections were taking concomitant immunosuppressants such as methotrexate or corticosteroids. (notice Adalimumab, Mise en garde encadrée)

…Antihistamines Thyroid hormones Diuretics Cardiac glycosides, such as digitalis glycosides Quinidine Drugs potentiating hypokalemic effects of epinephrine • Potassium depleting diuretics • Corticosteroids • Theophylline Epinephrine should not be used to counteract circulatory collapse or hypotension caused by phenothiazines, as a reversal of the pressor effects of epinephrine… (notice Adrénaline, Interactions médicamenteuses)

CYP3A4 Inducers : Avoid coadministration of VIJOICE with a strong CYP3A4 inducer. (notice Alpélisib, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Simultaneous use of combined P-gp and strong CYP3A4 inducers reduces blood levels of apixaban: Avoid concomitant use. (notice Apixaban, Interactions médicamenteuses)

Drug Interactions : Use with strong cytochrome P450 enzyme inducers (e.g., rifampin, phenobarbital, carbamazepine, phenytoin) is not recommended because loss of efficacy may occur ( 5.5 , 7.1 ) (notice Aprémilast, Mises en garde et précautions)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Use of a LABA, including arformoterol tartrate inhalation solution, without an inhaled corticosteroid is contraindicated in patients with asthma. (notice Arformotérol, Contre-indications)

CYP3A4 Inducers : Avoid concomitant use for greater than 14 days ( 7.1 ) (notice Aripiprazole, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Withhold INLYTA and avelumab or pembrolizumab, initiate corticosteroid therapy as needed, and/or permanently discontinue the combination for severe or life-threatening hepatotoxicity. (notice Axitinib, Mises en garde et précautions)

Most patients with rheumatoid arthritis who developed these infections were taking concomitant immunosuppressants such as methotrexate or corticosteroids. (notice Baricitinib, Mise en garde encadrée)

Concomitant administration of BIXLENVO is contraindicated with: dofetilide due to the potential for increased dofetilide plasma concentrations and associated serious and/or life-threatening events. strong CYP3A inducers due to decreased plasma concentrations of BIC and LEN, which may result in the loss of therapeutic effect and development of resistance to BIXLENVO. (notice Bictégravir, emtricitabine et ténofovir alafénamide, Contre-indications)

Strong CYP3A4 Inducers: Avoid concomitant use. (notice Bortézomib, Interactions médicamenteuses)

• Strong CYP3A Inducers: Avoid concomitant use with BOSULIF. (notice Bosutinib, Interactions médicamenteuses)

Evaluate patients starting CYP3A4 inhibitors or stopping CYP3A4 inducers at frequent intervals for respiratory depression. (notice Buprénorphine, Interactions médicamenteuses)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (notice Butalbital, aspirine, caféine et codéine, Mise en garde encadrée)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (notice Butalbital, paracétamol, caféine et codéine, Mise en garde encadrée)

Avoid chronic co-administration of strong CYP3A4 inducers (e.g., phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, phenobarbital, St. (notice Cabozantinib, Interactions médicamenteuses)

Intervention: Concomitant use of VRAYLAR with a CYP3A4 inducer is not recommended [see Dosage and Administration ( 2.1 , 2.6 ) ] . (notice Cariprazine, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Concomitant use of Strong CYP3A4 Inducers is not recommended. (notice Clozapine, Interactions médicamenteuses)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (notice Codéine, Mise en garde encadrée)

Avoid coadministration of cholestyramine and HEMADY and consider alternative agents. (notice Dexaméthasone, Interactions médicamenteuses)

Moderate or Strong CYP3A4 inducers: Avoid concomitant use. (notice Daridorexant, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

If concomitant administration of a strong CYP3A4 inducer cannot be avoided, consider a dose increase [see Dosage and Administration ( 2.3 )] . (notice Dasatinib, Interactions médicamenteuses)

Avoid use of moderate or strong CYP3A4 inducers with EMFLAZA, as they may reduce efficacy ( 7.1 ) (notice Déflazacort, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Severe hypersensitivity reactions have been reported in patients despite dexamethasone premedication. (notice Docétaxel, Mise en garde encadrée)

PIFELTRO is contraindicated when co-administered with drugs that are strong cytochrome P450 (CYP)3A enzyme inducers as significant decreases in doravirine plasma concentrations may occur, which may decrease the effectiveness of PIFELTRO [see Warnings and Precautions (5.2) , Drug Interactions (7.1) , and Clinical Pharmacology (12.3) ] . (notice Doravirine, Contre-indications)

• Avoid concomitant use of doxorubicin hydrochloride with inhibitors and inducers of CYP3A4, CYP2D6, and/or P-gp ( 7.1 ) (notice Doxorubicine, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Therefore, concomitant use with strong CYP3A inducers is not recommended [see Drug Interactions (7.1) and Clinical Pharmacology (12.3) ] . (notice Élexacaftor, tézacaftor et ivacaftor, Mises en garde et précautions)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

…(5.7) , Drug Interactions (7) , and Clinical Pharmacology (12.3) ]: Anticonvulsants: carbamazepine, oxcarbazepine, phenobarbital, phenytoin Antimycobacterials: rifampin, rifapentine Glucocorticoid (systemic): dexamethasone (more than a single-dose) Herbal Products: St John's wort ( Hypericum perforatum ) Proton Pump Inhibitors: e.g., dexlansoprazole, esomeprazole,… (notice Emtricitabine, rilpivirine et ténofovir, Contre-indications)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Most patients who developed these infections were taking concomitant immunosuppressants such as methotrexate or corticosteroids. (notice Étanercept, Mise en garde encadrée)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Concomitant use with CYP3A4 inhibitors (or discontinuation of CYP3A4 inducers) can result in a fatal overdose of fentanyl. (notice Fentanyl, Mise en garde encadrée)

Preventing or Managing DI The concomitant use of ADDYI with CYP3A4 inducers is not recommended. (notice Flibansérine, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Use of a LABA, including formoterol fumarate inhalation solution, without an inhaled corticosteroid is contraindicated in patients with asthma [see Warnings and Precautions (5.1) ]. (notice Formotérol, Contre-indications)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (notice Hydrocodone, Mise en garde encadrée)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (notice Hydrocodone et chlorphénamine, Mise en garde encadrée)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (notice Hydrocodone et homatropine, Mise en garde encadrée)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (notice Hydrocodone et ibuprofène, Mise en garde encadrée)

In addition, discontinuation of a concomitantly used Cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentrations. (notice Hydrocodone et paracétamol, Mise en garde encadrée)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Most patients who developed these infections were taking concomitant immunosuppressants such as methotrexate or corticosteroids. (notice Infliximab, Mise en garde encadrée)

• Strong CYP3A4 Inducers: Do not administer strong CYP3A4 inducers with CAMPTOSAR. (notice Irinotécan, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Avoid concomitant use of CYP3A4 inducers when using Corlanor. (notice Ivabradine, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Avoid strong CYP3A4 inducers. (notice Lapatinib, Interactions médicamenteuses)

Strong CYP3A4 Inducers: Avoid coadministration of strong CYP3A4 inducers with VITRAKVI. (notice Larotrectinib, Interactions médicamenteuses)

Strong or moderate CYP3A inducers: Avoid concomitant use. (notice Lemborexant, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Venous and Arterial Thromboembolism REVLIMID has demonstrated a significantly increased risk of deep vein thrombosis (DVT) and pulmonary embolism (PE), as well as risk of myocardial infarction and stroke in patients with multiple myeloma who were treated with REVLIMID and dexamethasone therapy. (notice Lénalidomide, Mise en garde encadrée)

When concomitant administration of corticosteroids and levothyroxine is required, administration of corticosteroid should precede the initiation of levothyroxine therapy to avoid adrenal crisis. (notice Dexaméthasone, Mises en garde et précautions)

When concomitant administration of corticosteroids and levothyroxine is required, administration of corticosteroid should precede the initiation of levothyroxine therapy to avoid adrenal crisis. (notice Dexaméthasone, Mises en garde et précautions)

When concomitant administration of corticosteroids and levothyroxine is required, administration of corticosteroid should precede the initiation of levothyroxine therapy to avoid adrenal crisis. (notice Dexaméthasone, Mises en garde et précautions)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Effect of Other Drugs on LORBRENA Strong CYP3A Inducers LORBRENA is contraindicated in patients taking strong CYP3A inducers [see Contraindication (4) ] . (notice Lorlatinib, Interactions médicamenteuses)

Moreover, cholesterol and other products of the cholesterol biosynthesis pathway are essential components for fetal development, including synthesis of steroids and cell membranes. (notice Lovastatine, Contre-indications)

CYP3A4 inducers: Avoid concomitant use with CAPLYTA. (notice Lumatépérone, Interactions médicamenteuses)

Strong CYP3A4 inducers (e.g., rifampin, avasimibe, St. (notice Lurasidone, Contre-indications)

Strong CYP3A4 inducers (rifampin) reduce exposure to macitentan: avoid co-administration with OPSUMIT ( 7.1 , 12.3 ). (notice Macitentan, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

If shock, severe trauma or infection occurs or develops, temporarily discontinue LYSODREN and administer exogenous steroids. (notice Mitotane, Mise en garde encadrée)

None of the cases were considered life-threatening and all resolved either without treatment or with medication (antihistamines or glucocorticoids). (notice Moexipril, Mises en garde)

John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (notice Naldémédine, Interactions médicamenteuses)

Strong CYP3A4 inducers (e.g., rifampin) : Decreased concentrations of naloxegol; concomitant use is not recommended. (notice Naloxégol, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

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 ). (notice Nifédipine, Interactions médicamenteuses)

Strong CYP3A Inducers: Avoid concomitant use with CAVHANZA. (notice Nilotinib, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Counsel patients to use a back-up method or alternative method of contraception when enzyme inducers are used with COCs ( 7.1 ) -- - ---------- ------ USE IN SPECIFIC POPULATIONS---- -- -- --------- ---- Lactation: Not recommended; Lo Loestrin Fe can decrease milk production ( 8.2 ) (notice Noréthistérone et éthinylestradiol, Interactions médicamenteuses)

If a CYP3A4 inducer is discontinued, consider OLINVYK dosage reduction and monitor for signs of respiratory depression. (notice Olicéridine, Interactions médicamenteuses)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in oxycodone plasma concentration. (notice Oxycodone, Mise en garde encadrée)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in oxycodone plasma concentration. (notice Oxycodone et paracétamol, Mise en garde encadrée)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Strong CYP3A4 and P-glycoprotein (P-gp) inducers : Avoid using a strong inducer of CYP3A4 and/or P-gp during a dosing interval for ERZOFRI. (notice Palipéridone, Interactions médicamenteuses)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (notice Paracétamol et codéine, Mise en garde encadrée)

VOTRIENT is not recommended if chronic use of strong CYP3A4 inducers cannot be avoided. (notice Pazopanib, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in meperidine plasma concentration. (notice Péthidine, Mise en garde encadrée)

Strong or Moderate CYP3A4 Inducers: Avoid concomitant use of NUPLAZID. (notice Pimavansérine, Interactions médicamenteuses)

Treatment of patients with MM with a PD-1 or PD-L1 blocking antibody in combination with a thalidomide analogue plus dexamethasone is not recommended outside of controlled clinical trials. (notice Pomalidomide, Mises en garde et précautions)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Patients taking strong Cytochrome P450 3A enzyme (CYP3A) inducers, such as rifampin, [see Warnings and Precautions ( 5.6 ) and Drug Interactions ( 7.1 , 7.2 )] . (notice Praziquantel, Contre-indications)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex, requiring careful consideration of the effects on the parent drug, codeine, and the active metabolite, morphine. (notice Prométhazine et codéine, Mise en garde encadrée)

When concomitant administration of corticosteroids and levothyroxine is required, administration of corticosteroid should precede the initiation of levothyroxine therapy to avoid adrenal crisis. (notice Dexaméthasone, Mises en garde et précautions)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Antimycobacterials Rifampin Rifapentine Glucocorticoid (systemic) Dexamethasone (more than a single-dose treatment) Herbal Products St. (notice Rilpivirine, Contre-indications)

• Strong and Moderate CYP3A Inducers: Avoid concomitant administration. (notice Rimégépant, Interactions médicamenteuses)

• Certain CYP3A inducers: Coadministration with strong inducers of CYP3A is not recommended. (notice Ritlécitinib, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Avoid concomitant use of XARELTO with drugs that are known combined P-gp and strong CYP3A inducers [see Drug Interactions (7.3) ] . (notice Rivaroxaban, Mises en garde et précautions)

• Drug Interactions: Use with strong cytochrome P450 enzyme inducers (e.g., rifampicin, phenobarbital, carbamazepine, phenytoin) is not recommended. (notice Roflumilast, Mises en garde et précautions)

Intervention: Avoid the use of VARUBI in patients who require chronic administration of strong CYP3A4 inducers. (notice Rolapitant, Interactions médicamenteuses)

• Avoid use with rifampin and strong CYP3A4 inducers ( 7.3 ). (notice Romidepsine, Interactions médicamenteuses)

WARNING: ASTHMA-RELATED DEATH Long-acting beta 2 -adrenergic agonists (LABA), such as salmeterol, the active ingredient in SEREVENT DISKUS, as monotherapy (without inhaled corticosteroids [ICS]) increase the risk of asthma-related death. (notice Salmétérol, Mise en garde encadrée)

In a multicenter clinical study, de novo renal transplant patients treated with sirolimus, mycophenolate mofetil (MMF), steroids, and an IL-2 receptor antagonist had significantly higher acute rejection rates and numerically higher death rates compared to patients treated with cyclosporine, MMF, steroids, and IL-2 receptor antagonist. (notice Sirolimus, Mises en garde et précautions)

Intervention: Carefully adjust glucocorticoid dosing in pediatric patients receiving glucocorticoid treatments to avoid both hypoadrenalism and an inhibitory effect on growth. (notice Somatropine, Interactions médicamenteuses)

• Strong CYP3A Inducers: Avoid strong CYP3A4 inducers. (notice Sorafénib, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Inducers of CYP3A4 Strong CYP3A4 inducers should not be used with tamoxifen. (notice Tamoxifène, Interactions médicamenteuses)

Strong CYP3A4 inducers (e.g., rifampin): Avoid use of HETLIOZ in combination with rifampin or other CYP3A4 inducers, because of decreased exposure ( 7.2 , 12.3 ) (notice Tasimeltéon, Interactions médicamenteuses)

When concomitant administration of corticosteroids and levothyroxine is required, administration of corticosteroid should precede the initiation of levothyroxine therapy to avoid adrenal crisis. (notice Dexaméthasone, Mises en garde et précautions)

When concomitant administration of corticosteroids and levothyroxine is required, administration of corticosteroid should precede the initiation of levothyroxine therapy to avoid adrenal crisis. (notice Dexaméthasone, Mises en garde et précautions)

Avoid co-administration of strong CYP3A4 inhibitors (e.g., itraconazole, clarithromycin, ritonavir) and strong CYP3A4 inducers (e.g., rifampin, phenytoin) with TEPADINA due to the potential effects on efficacy and toxicity [see Clinical Pharmacology ( 12.3 ) ] . (notice Thiotépa, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

Most patients who developed these infections were taking concomitant immunosuppressants such as methotrexate or corticosteroids. (notice Tocilizumab, Mise en garde encadrée)

Most patients who developed these infections were taking concomitant immunosuppressants such as methotrexate or corticosteroids. (notice Tofacitinib, Mise en garde encadrée)

Avoid concomitant use of SAMSCA with strong CYP3A inducers. (notice Tolvaptan, Interactions médicamenteuses)

Coadministration with a strong CYP3A4 inducer may result in a relevant decrease in FARESTON exposure and should be avoided. (notice Torémifène, Interactions médicamenteuses)

CYP3A inducers: Avoid concomitant strong CYP3A inducers ( 7.1 ) (notice Trabectédine, Interactions médicamenteuses)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (notice Tramadol, Mise en garde encadrée)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (notice Tramadol et paracétamol, Mise en garde encadrée)

Two of the four cases were life-threatening and resolved without treatment or with medication (corticosteroids). (notice Trandolapril, Mises en garde)

At first signs or symptoms of this syndrome, immediately initiate high-dose corticosteroid therapy and hemodynamic monitoring until resolution of signs and symptoms. (notice Trétinoïne, Mise en garde encadrée)

If differentiation syndrome is suspected, immediately initiate high-dose corticosteroids and hemodynamic monitoring until resolution. (notice Trioxyde d'arsenic, Mise en garde encadrée)

Strong CYP3A4 Inducers: Should be avoided as concomitant use will result in reduction of ubrogepant exposure. (notice Ubrogépant, Interactions médicamenteuses)

Ella should not be administered with CYP3A4 inducers [see Drug interactions (7.1) and Clinical Pharmacology (12.3) ] . (notice Ulipristal, Mises en garde et précautions)

• use of a long-acting beta 2 -adrenergic agonist (LABA), including vilanterol, one of the active ingredients in Umeclidinium and Vilanterol ELLIPTA, without an inhaled corticosteroid (ICS), in patients with asthma [see Warnings and Precautions ( 5.1 )] . (notice Uméclidinium et vilantérol, Contre-indications)

Most patients who developed these infections were taking concomitant immunosuppressants such as methotrexate or corticosteroids. (notice Upadacitinib, Mise en garde encadrée)

Use of strong CYP3A4 inducers with INGREZZA or INGREZZA SPRINKLE Concomitant use is not recommended. (notice Valbénazine, Interactions médicamenteuses)

Strong CYP3A Inducers : Avoid concomitant use with strong CYP3A inducers. (notice Vepdégestrant, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (notice Dexaméthasone, Interactions médicamenteuses)

John's wort, a CYP3A4 inducer, in combination with zolpidem may decrease blood levels of zolpidem and is not recommended. (notice Zolpidem, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

…osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (notice Acide alendronique, Mises en garde et précautions)

…osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (notice Acide ibandronique, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Many of these patients were also receiving chemotherapy and corticosteroids, which may be risk factors for ONJ. (notice Acide pamidronique, Mises en garde et précautions)

…the jaw include invasive dental procedures (for example, tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (for example, chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (for example, periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection,… (notice Acide risédronique, Mises en garde et précautions)

Hepatic enzyme-inducing drugs (e.g., phenytoin, carbamazepine, phenobarbital, primidone, rifampin) can increase valproate clearance, while enzyme inhibitors (e.g., felbamate) can decrease valproate clearance. (notice Acide valproïque, Interactions médicamenteuses)

A dental examination with appropriate preventive dentistry should be considered prior to treatment with bisphosphonates in patients with a history of concomitant risk factors (e.g., cancer, chemotherapy, angiogenesis inhibitors, radiotherapy, corticosteroids, poor oral hygiene, preexisting dental disease or infection, anemia, coagulopathy). (notice Acide zolédronique, Mises en garde et précautions)

Sympathomimetics, Methylxanthines, Steroids In clinical studies, concurrent administration of aclidinium bromide and other drugs commonly used in the treatment of COPD including sympathomimetics (short-acting beta 2 agonists), methylxanthines, and oral and inhaled steroids showed no increases in adverse drug reactions. (notice Aclidinium, Interactions médicamenteuses)

Patients receiving concomitant corticosteroids, nonsteroidal anti-inflammatory drugs (NSAIDs) or anti-angiogenic agents, or patients with increasing age or who have an underlying history of gastrointestinal ulceration, underlying diverticular disease or bowel metastases may be at increased risk of perforation. (notice Afatinib, Mises en garde et précautions)

Dexamethasone: Steady-state trough concentrations of albendazole sulfoxide were about 56% higher when dexamethasone was coadministered with each dose of albendazole. (notice Albendazole, Interactions médicamenteuses)

Institute appropriate medical management (e.g., glucocorticoids, epinephrine, meperidine) for infusion-related reactions as needed [see Dosage and Administration (2.2) ] . (notice Alemtuzumab, Mises en garde et précautions)

Patients who experience these effects, even without respiratory distress, require prolonged observation and appropriate monitoring measures since treatment with antihistamines and corticosteroids may not be sufficient to prevent respiratory involvement. (notice Aliskirène, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

• Use with CYP3A Inducers: Increase the risk of reduced efficacy of alprazolam. (notice Alprazolam, Interactions médicamenteuses)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (notice Amlodipine, Interactions médicamenteuses)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (notice Amlodipine et atorvastatine, Interactions médicamenteuses)

Blood pressure should be monitored when amlodipine is coadministered with CYP3A4 inducers (e.g. rifampicin, St. (notice Amlodipine et bénazépril, Interactions médicamenteuses)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (notice Amlodipine et olmésartan, Interactions médicamenteuses)

Blood pressure should be closely monitored when amlodipine is coadministered with CYP3A inducers (e.g. rifampicin, St. (notice Amlodipine et valsartan, Interactions médicamenteuses)

Amphotericin B Injection and Potassium-Depleting Agents Sodium retention with resultant edema and potassium loss may occur in patients receiving corticosteroids [see Warnings and Precautions ( ‎5.3 ), and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Monitor for toxicity when aspirin is used in conjunction with HEMADY in hypoprothrombinemia. (notice Dexaméthasone, Interactions médicamenteuses)

Monitor for toxicity when aspirin is used in conjunction with HEMADY in hypoprothrombinemia. (notice Dexaméthasone, Interactions médicamenteuses)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (notice Dexaméthasone, Interactions médicamenteuses)

Lung function (FEV 1 or PEF), beta‑agonist use, and asthma symptoms should be carefully monitored during withdrawal of oral or other systemic corticosteroids. (notice Béclométasone, Mises en garde et précautions)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Belladone et opium, Mises en garde et précautions)

Consider measures to prevent severe reactions, including antihistamines, antipyretics and corticosteroids in subsequent cycles in patients who have experienced Grade 1 or 2 infusion reactions. (notice Bendamustine, Mises en garde et précautions)

• Reduction in Corticosteroid Dosage: Do not discontinue systemic or inhaled corticosteroids abruptly upon initiation of therapy with FASENRA. (notice Benralizumab, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Strong CYP3A4 inducers Double the recommended dosage and further adjust based on clinical response. (notice Brexpiprazole, Interactions médicamenteuses)

Therefore, potent inhibitors or inducers of CYP3A4 may increase or reduce the circulating levels of CYCLOSET, respectively. (notice Bromocriptine, Interactions médicamenteuses)

In this situation, the patient requires immediate re-evaluation with reassessment of the treatment regimen, giving special consideration to the possible need for replacing the current strength of budesonide and formoterol fumarate dihydrate with a higher strength, adding additional inhaled corticosteroid, or initiating systemic corticosteroids. (notice Budésonide et formotérol, Mises en garde et précautions)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Buprénorphine et naloxone, Mises en garde et précautions)

…risk of seizure: concomitant use of other medications that lower the seizure threshold (e.g., other bupropion products, antipsychotics, tricyclic antidepressants, theophylline, and systemic corticosteroids), metabolic disorders (e.g., hypoglycemia, hyponatremia, severe hepatic impairment, and hypoxia), or use of illicit drugs (e.g., cocaine) or abuse or misuse… (notice Bupropion, Mises en garde et précautions)

Other inhibitors and inducers of CYP3A4: Substances that inhibit CYP3A4, such as ketoconazole or ritonavir, may inhibit buspirone metabolism and increase plasma concentrations of buspirone while substances that induce CYP3A4, such as dexamethasone or certain anticonvulsants (phenytoin, phenobarbital, carbamazepine), may increase the rate of buspirone metabolism. (notice Buspirone, Interactions médicamenteuses)

Monitor for toxicity when aspirin is used in conjunction with HEMADY in hypoprothrombinemia. (notice Dexaméthasone, Interactions médicamenteuses)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Butorphanol, Mises en garde)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

• Strong inducer of CYP3A4 or CYP2C19: Consider dose increase of EPIDIOLEX. (notice Cannabidiol (sur ordonnance), Interactions médicamenteuses)

…Enzymes Adults : When Caspofungin acetate for Injection is co-administered to adult patients with other inducers of hepatic CYP enzymes, such as efavirenz, nevirapine, phenytoin, dexamethasone, or carbamazepine, administration of a daily dose of 70 mg of Caspofungin acetate for Injection should be considered [see Dosage and Administration ( 2.5 ) and Clinical… (notice Caspofungine, Interactions médicamenteuses)

High concentrations of cefoxitin in the urine may interfere with measurement of urinary 17-hydroxy-corticosteroids by the Porter-Silber reaction, and produce false increases of modest degree in the levels reported. (notice Céfoxitine, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

The risk of developing fluoroquinolone-associated tendinitis and tendon rupture is increased in patients over 60 years of age, in patients taking corticosteroid drugs, and in patients with kidney, heart or lung transplants. (notice Ciprofloxacine, Mises en garde et précautions)

Prevention or Management Consider a possible decrease in cladribine efficacy if potent BCRP (e.g., corticosteroids) or P-gp (e.g., rifampicin, St. (notice Cladribine, Interactions médicamenteuses)

Inducers of CYP3A4 and CYP3A5 Inducers of CYP3A4 and/or CYP3A5 may reduce plasma concentrations of clindamycin. (notice Clindamycine, Interactions médicamenteuses)

…several closely related tricyclic antidepressants have been reported to be increased by the concomitant administration of methylphenidate or hepatic enzyme inhibitors (e.g., cimetidine, fluoxetine) and decreased by the concomitant administration of hepatic enzyme inducers (e.g., barbiturates, phenytoin), and such an effect may be anticipated with CMI as well. (notice Clomipramine, Interactions médicamenteuses)

Plasma cholinesterase activity may be decreased by chronic administration of certain monoamine oxidase inhibitors, oral contraceptives, glucocorticoids, antimyasthenics (neostigmine), cyclophosphamide, and possibly thiotepa. (notice Cocaïne, Interactions médicamenteuses)

These reactions include reversible corneal toxicity, and hemorrhagic conjunctivitis, which may be prevented or diminished by prophylaxis with a local corticosteroid eye drop; cerebral and cerebellar dysfunction, including personality changes, somnolence and coma, usually reversible; severe gastrointestinal ulceration, including pneumatosis cystoides intestinalis… (notice Cytarabine, Mises en garde)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Eosinophilic pneumonia: Discontinue Daptomycin for Injection and consider treatment with systemic steroids. (notice Daptomycine, Mises en garde et précautions)

The risk of GI hemorrhage may be increased when administering Exjade in combination with drugs that have ulcerogenic or hemorrhagic potential, such as nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids, oral bisphosphonates, or anticoagulants. (notice Déférasirox, Mises en garde et précautions)

Other risk factors for the development of ONJ include immunosuppressive therapy, treatment with angiogenesis inhibitors, systemic corticosteroids, diabetes, and gingival infections. (notice Dénosumab, Mises en garde et précautions)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

Clinically Relevant Interactions Affecting DEXILANT When Coadministered with Other Drugs and Substances CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of dexlansoprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ] . (notice Dexlansoprazole, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Anticholinergic drugs in the presence of increased intraocular pressure may be hazardous when taken concurrently with agents such as corticosteroids. (notice Dicyclovérine, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Digitalis Glycosides Patients on digitalis glycosides may be at increased risk of arrhythmias due to hypokalemia [ see Warnings and Precautions (‎ 5.3 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Hepatic enzyme-inducing drugs (e.g., phenytoin, carbamazepine, phenobarbital, primidone, rifampin) can increase valproate clearance, while enzyme inhibitors (e.g., felbamate) can decrease valproate clearance. (notice Divalproate de sodium (valproate), Interactions médicamenteuses)

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… (notice Dofétilide, Interactions médicamenteuses)

Examples Glutethimide and phenobarbital Intervention If a patient initiates or discontinues therapy with an enzyme inducer, dose adjustment of doxercalciferol may be necessary. (notice Doxercalciférol, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Eosinophilic Conditions: Be alert to vasculitic rash, worsening pulmonary symptoms, cardiac complications, kidney injury and/or neuropathy, especially upon reduction of oral corticosteroids. (notice Dupilumab, Mises en garde et précautions)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Ephedrine Ephedrine may decrease dexamethasone exposure. (notice Dexaméthasone, Interactions médicamenteuses)

Patients receiving concomitant anti-angiogenic agents, corticosteroids, NSAIDs, or taxane-based chemotherapy, or who have prior history of peptic ulceration or diverticular disease may be at increased risk of perforation [see Adverse Reactions (6.1 , 6.2) ]. (notice Erlotinib, Mises en garde et précautions)

Table 4: Clinically Relevant Interactions Affecting Esomeprazole When Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ]. (notice Ésoméprazole, Interactions médicamenteuses)

While no in vivo drug-drug interaction studies were conducted between estazolam and inducers of CYP3A, compounds that are potent CYP3A inducers (such as carbamazepine, phenytoin, rifampin, and barbiturates) would be expected to decrease estazolam concentrations. (notice Estazolam, Mises en garde)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

Drugs that Induce CYP3A4 (Rifampicin) Racemic zopiclone exposure was decreased 80% by concomitant use of rifampicin, a potent inducer of CYP3A4. (notice Eszopiclone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

Systemic dexamethasone should be used with caution or alternatives should be considered, particularly for long-term use. (notice Étravirine, Interactions médicamenteuses)

Strong CYP 3A4 inducers: Concomitant use of strong CYP 3A4 inducers decreases exemestane exposure. (notice Exémestane, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

CYP3A4 Inducers No dosing adjustments are recommended in the presence of CYP3A4 inducers, such as rifampin and carbamazepine. (notice Fésotérodine, Interactions médicamenteuses)

In both cases, the patients were taking a 1.25 mg dose of fingolimod (higher than the recommended 0.5 mg dose) and had received high-dose corticosteroid therapy to treat suspected MS relapses. (notice Fingolimod, Mises en garde et précautions)

Limited data in patients receiving known enzyme inducers ( phenytoin, phenobarbital, carbamazepine ) indicate only a 30% increase in the rate of flecainide elimination. (notice Flécaïnide, Interactions médicamenteuses)

Pregnancy As with other corticosteroids, flunisolide has been shown to be teratogenic and fetotoxic in rabbits and rats at oral doses of 40 and 200 mcg/kg/day, respectively (approximately 2 and 4 times, respectively, the maximum recommended daily intranasal dose in adults on a mg/m 2 basis). (notice Flunisolide, Précautions)

Use of more than one corticosteroid-containing product at the same time may increase the total systemic absorption of topical corticosteroids. (notice Fluocinonide, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

In this situation, the patient requires immediate reevaluation with reassessment of the treatment regimen, giving special consideration to the possible need for replacing the current strength of Fluticasone Propionate/Salmeterol MDPI with a higher strength, adding additional inhaled corticosteroid, or initiating systemic corticosteroids. (notice Fluticasone et salmétérol, Mises en garde et précautions)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Other Corticosteroids, doxycycline, estrogens, furosemide, oral contraceptives, paroxetine, quinidine, rifampin, sertraline, theophylline, and vitamin D Drugs whose level is decreased by phenytoin Anticoagulants Apixaban, dabigatran, edoxaban, rivaroxaban Antiepileptic drugs The effect of phenytoin on phenobarbital, valproic acid and sodium valproate serum levels… (notice Fosphénytoïne, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (notice Géfitinib, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

…and its plasma concentrations can be significantly affected resulting in an increase in exposure Consider dose reduction [see Dosage and administration (2.7) ] Strong and moderate CYP3A4 inducers, e.g., rifampin, efavirenz Guanfacine is primarily metabolized by CYP3A4 and its plasma concentrations can be significantly affected resulting in a decrease in exposure… (notice Guanfacine, Interactions médicamenteuses)

Use of more than one corticosteroid-containing product at the same time may increase the total systemic exposure to topical corticosteroids. (notice Halobétasol, Mises en garde et précautions)

Caution is advised when haloperidol decanoate is used in combination with drugs known to cause electrolyte imbalance (e.g., diuretics or corticosteroids) because hypokalemia, hypomagnesemia, and hypocalcemia are risk factors for QT prolongation. (notice Halopéridol, Interactions médicamenteuses)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Long-term treatment with steroids may be necessary (see PRECAUTIONS, Laboratory Tests ). (notice Hydralazine, Mises en garde)

Concomitant administration of inducers of CYP3A4 may lead to decreases in serum concentrations of ALKINDI SPRINKLE and increase the risk of adverse reactions, including adrenal crisis. (notice Hydrocortisone, Interactions médicamenteuses)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Hydromorphone, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

• CYP3A4 Inducers: Monitor for increased toxicity when used in combination with CYP3A4 inducers. (notice Ifosfamide, Interactions médicamenteuses)

The plasma concentration of imipramine may increase when the drug is given concomitantly with hepatic enzyme inhibitors (e.g., cimetidine, fluoxetine) and decrease by concomitant administration with hepatic enzyme inducers (e.g., barbiturates, phenytoin), and adjustment of the dosage of imipramine may therefore be necessary. (notice Imipramine, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Oral hydration, recumbency, intravenous normal saline, and/or parenteral corticosteroids have been used to treat postural hypotension. (notice Ivermectine, Mises en garde)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Clinically Relevant Interactions Affecting PREVACID or PREVACID SoluTab When Coadministered with Other Drugs CYP2C19 OR CYP3A4 Inducers Clinical Impact: Decreased exposure of lansoprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ] . (notice Lansoprazole, Interactions médicamenteuses)

The risk of developing fluoroquinolone-associated tendinitis and tendon rupture is increased in patients usually over 60 years of age, in those taking corticosteroid drugs, and in patients with kidney, heart or lung transplants. (notice Lévofloxacine, Mises en garde et précautions)

Estrogens, Including Oral Contraceptives Estrogens may decrease the hepatic metabolism of certain corticosteroids and increase exposures, which may increase the risk of adverse reactions [see Warnings and Precautions ( ‎5 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Lévorphanol, Mises en garde)

If the patient needs more doses of XOPENEX HFA than usual, this may be a marker of destabilization of asthma and requires reevaluation of the patient and treatment regimen, giving special consideration to the possible need for anti-inflammatory treatment, e.g., corticosteroids. (notice Lévosalbutamol, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Even in those instances where swelling of only the tongue is involved, without respiratory distress, patients may require prolonged observation since treatment with antihistamines and corticosteroids may not be sufficient. (notice Lisinopril et hydrochlorothiazide, Mises en garde)

• If patients with severe renal impairment or ESRD receiving SELZENTRY (without concomitant CYP3A inducers or inhibitors) experience postural hypotension, the dose of SELZENTRY should be reduced from 300 mg twice daily to 150 mg twice daily. (notice Maraviroc, Mises en garde et précautions)

In patients who experience mild or moderate IRRs, consider premedications, including antihistamines, corticosteroids, and antipyretics. (notice Margétuximab, Mises en garde et précautions)

Estrogens, Including Oral Contraceptives Estrogens may decrease the hepatic metabolism of certain corticosteroids and increase exposures, which may increase the risk of adverse reactions [see Warnings and Precautions ( ‎5 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Rifampin (Potent Inducer of CYP3A4) Coadministration of a single 500 mg oral dose of mefloquine and 600 mg of rifampin once daily for 7 days in 7 healthy Thai volunteers resulted in a decrease in the mean C max and AUC of mefloquine by 19% and 68%, respectively, and a decrease in the mean elimination half-life of mefloquine from 305 hours to 113 hours. (notice Méfloquine, Interactions médicamenteuses)

Estrogens, Including Oral Contraceptives Estrogens may decrease the hepatic metabolism of certain corticosteroids and increase exposures, which may increase the risk of adverse reactions [see Warnings and Precautions ( ‎5 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Inducers of CYP3A4 (e.g., phenytoin, carbamazepine, dexamethasone, rifampin, and phenobarbital) could increase the rate of elimination of donepezil. (notice Mémantine et donépézil, Interactions médicamenteuses)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (notice Dexaméthasone, Interactions médicamenteuses)

Decrease corticosteroids gradually, if appropriate. (notice Mépolizumab, Mises en garde et précautions)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (notice Dexaméthasone, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Méthadone, Mises en garde et précautions)

Drug Interactions Methazolamide should be used with caution in patients on steroid therapy because of the potential for developing hypokalemia. (notice Méthazolamide, Interactions médicamenteuses)

NSAIDs, Aspirin, and Steroids: May elevate and prolong serum methotrexate levels and increase gastrointestinal toxicity. (notice Méthotrexate, Interactions médicamenteuses)

If not, corticosteroids may be given and other causes of anemia should be considered. (notice Méthyldopa, Mises en garde)

CYP3A4 inducers Drugs (e.g. nevirapine, rifampin) that are strong inducers of CYP3A4 are likely to decrease the pharmacological action of methylergonovine maleate. (notice Méthylergométrine, Interactions médicamenteuses)

Hepatic Enzyme Inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin) : Drugs which induce cytochrome P450 3A4 enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased. (notice Méthylprednisolone, Interactions médicamenteuses)

Testosterone has been subject to abuse, typically at doses higher than recommended for the approved indication and in combination with other anabolic androgenic steroids. (notice Méthyltestostérone, Mises en garde)

Corticosteroids Or ACTH May increase the risk of hypokalemia and increase salt and water retention. (notice Métolazone, Interactions médicamenteuses)

This can be corrected by giving appropriate doses of corticosteroids. (notice Métyrapone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

John's Wort, tramadol, tryptophan, buspirone Strong CYP3A Inducers Clinical Impact The concomitant use of strong CYP3A inducers with REMERON/REMERONSolTab decreases the plasma concentration of mirtazapine [see Clinical Pharmacology (12.3) ] . (notice Mirtazapine, Interactions médicamenteuses)

Lung function (FEV 1 or PEF), beta-agonist use, and asthma symptoms should be carefully monitored during withdrawal of oral or other systemic corticosteroids. (notice Mométasone, Mises en garde et précautions)

Inhaled corticosteroid may be reduced gradually. (notice Montélukast, Mises en garde et précautions)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Morphine, Mises en garde et précautions)

The risk of developing fluoroquinolone-associated tendinitis and tendon rupture is increased in patients over 60 years of age, in patients taking corticosteroid drugs, and in patients with kidney, heart or lung transplants. (notice Moxifloxacine, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Nalbuphine, Mises en garde)

…hypoglycemia concomitant administration of medications that may lower the seizure threshold, including other bupropion products, antipsychotics, tricyclic antidepressants, theophylline, systemic steroids Recommendations for Reducing the Risk of Seizure: Clinical experience with bupropion suggests that the risk of seizure may be minimized by adhering to the recommended… (notice Naltrexone et bupropion, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

In Studies MS1 and MS2, an increase in infections was seen in patients concurrently receiving short courses of corticosteroids. (notice Natalizumab, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Possible Reduced Efficacy with Strong CYP3A4 Inducers Concomitant use of strong CYP3A4 inducers (e.g., carbamazepine, phenobarbital, phenytoin, rifampin, St. (notice Nimodipine, Mises en garde et précautions)

Use OFEV with caution when treating patients with recent abdominal surgery, previous history of diverticular disease or receiving concomitant corticosteroids or NSAIDs. (notice Nintédanib, Mises en garde et précautions)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

Estrogens, Including Oral Contraceptives Estrogens may decrease the hepatic metabolism of certain corticosteroids and increase exposures, which may increase the risk of adverse reactions [see Warnings and Precautions ( ‎5 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

(‎ 7.1 ) • Concomitant therapies such as erythropoietin stimulating agents or estrogen containing therapies may have an increased risk of thromboembolism. (notice Dexaméthasone, Interactions médicamenteuses)

In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (notice Ocrélizumab, Mises en garde et précautions)

The risk of developing fluoroquinolone-associated tendinitis and tendon rupture is increased in patients over 60 years of age, in those taking corticosteroid drugs, and in patients with kidney, heart or lung transplants. (notice Ofloxacine, Mises en garde)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (notice Olmésartan, amlodipine et hydrochlorothiazide, Interactions médicamenteuses)

Corticosteroid Reduction: Do not abruptly discontinue corticosteroids upon initiation of OMLYCLO therapy. (notice Omalizumab, Mises en garde et précautions)

Table 4: Clinically Relevant Interactions Affecting Omeprazole When Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of omeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ( 12.3 )] . (notice Oméprazole, Interactions médicamenteuses)

Table 6: Clinically Relevant Interactions Affecting Omeprazole when Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of omeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ( 12.3 )] . (notice Oméprazole et bicarbonate de sodium, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Monitor for toxicity when aspirin is used in conjunction with HEMADY in hypoprothrombinemia. (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Oxymorphone, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

If adrenal insufficiency is suspected, it should be confirmed and treated per standard of care with exogenous glucocorticoids at replacement doses . (notice Pasiréotide, Mises en garde et précautions)

Treatment has consisted of high doses of corticosteroids alone or, in some cases, concomitantly with an immunosuppressant. (notice Pénicillamine, Mises en garde)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Pentazocine et naloxone, Mises en garde)

Use of corticosteroids may cause a protein catabolic state and, thereby, potentially increase plasma ammonia levels in patients with impaired ability to form urea. (notice Phénylacétate de sodium et benzoate de sodium, Interactions médicamenteuses)

Corticosteroids, valproic acid, or haloperidol : May increase plasma ammonia level; monitor ammonia levels closely. (notice Phénylbutyrate de glycérol, Interactions médicamenteuses)

Valproic Acid, Haloperidol, or Corticosteroids : May increase plasma ammonia level; monitor ammonia levels closely. (notice Phénylbutyrate de sodium, Interactions médicamenteuses)

Agonistic Effects (increase in BIORPHEN blood pressure effect) can occur with monoamine oxidase inhibitors (MAOI), oxytocin and oxytocic drugs, tricyclic antidepressants, angiotensin and aldosterone, atropine, steroids, norepinephrine transporter inhibitors, ergot alkaloids. (notice Phényléphrine, Interactions médicamenteuses)

Phenytoin In post-marketing experience, there have been reports of both increases and decreases in phenytoin levels with dexamethasone coadministration, leading to alterations in seizure control. (notice Dexaméthasone, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Strong CYP3A4 Inducers: Decreased exposure of WAKIX; consider dosage adjustment of WAKIX ( 2.6 , 7.1 ) (notice Pitolisant, Interactions médicamenteuses)

Prior and Concomitant Treatment with Anti-neoplastic, Immune-Modulating, or Immunosuppressive Therapies Anti-neoplastic, immune-modulating, or immunosuppressive therapies (including corticosteroids) should be coadministered with caution because of the risk of additive immune system effects [see Drug Interactions (7.1) ] . (notice Ponésimod, Mises en garde et précautions)

CYP 3A4 inducers (e.g. barbiturates, phenytoin, carbamazepine, and rifampin): Drugs such as barbiturates, phenytoin, ephedrine, and rifampin, which induce hepatic microsomal drug metabolizing enzyme activity may enhance metabolism of prednisolone and require that the dosage of Orapred be increased. (notice Prednisolone, Interactions médicamenteuses)

CYP 3A4 inducers and inhibitors: May, respectively, increase or decrease clearance of corticosteroids, necessitating dose adjustment. (notice Prednisone, Interactions médicamenteuses)

Estrogens, Including Oral Contraceptives Estrogens may decrease the hepatic metabolism of certain corticosteroids and increase exposures, which may increase the risk of adverse reactions [see Warnings and Precautions ( ‎5 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

The following appear to be major risk factors for the development of these events: decreased oxygen delivery to tissues; serious neurological injury and/or sepsis; high dosages of one or more of the following pharmacological agents: vasoconstrictors, steroids, inotropes and/or prolonged, high-dose infusions of propofol (> 5 mg/kg/hour for > 48 hours). (notice Propofol, Mises en garde et précautions)

• Concomitant use of strong CYP3A4 inducers: Increase quetiapine dose up to 5 fold when used in combination with a chronic treatment (more than 7-14 days) of potent CYP3A4 inducers (e.g., phenytoin, rifampin, St. (notice Quétiapine, Interactions médicamenteuses)

Antiepileptics (AEDs) (Carbamazepine, Phenobarbital, and Phenytoin) Carbamazepine, phenobarbital, and phenytoin are CYP3A4 inducers and may decrease quinine plasma concentrations if used concurrently with quinine sulfate. (notice Quinine, Interactions médicamenteuses)

Rifampin (strong CYP enzyme inducer): Decreases exposure to and effects of ramelteon. (notice Rameltéon, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Drug Interactions Effect of Rifabutin on the Pharmacokinetics of Other Drugs Rifabutin induces CYP3A enzymes and therefore may reduce the plasma concentrations of drugs metabolized by those enzymes. (notice Rifabutine, Interactions médicamenteuses)

…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 mg Decrease exposure Verapamil Decrease exposure Corticosteroids Numerous cases in the literature describe a decrease in glucocorticoid effect when used concomitantly with rifampin. (notice Rifampicine, Interactions médicamenteuses)

…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., glyburide, glipizide) Hormonal Contraceptives/Progestins Ethinyl estradiol, levonorgestrel Immunosuppressants… (notice Rifapentine, Interactions médicamenteuses)

Carbamazepine and other enzyme inducers decrease plasma concentrations of risperidone. (notice Rispéridone, Interactions médicamenteuses)

Therefore, for patients receiving both neuromuscular blocking agents (including Rocuronium Bromide Injection) and corticosteroids, the period of use of the neuromuscular blocking agent should be limited as much as possible and only used in the setting where in the opinion of the prescribing physician, the specific advantages of the drug outweigh the risk. (notice Rocuronium, Mises en garde et précautions)

Effects of Other AEDs on BANZEL Potent cytochrome P450 enzyme inducers, such as carbamazepine, phenytoin, primidone, and phenobarbital, appear to increase the clearance of BANZEL (see Table 6). (notice Rufinamide, Interactions médicamenteuses)

Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (notice Ruxolitinib, Interactions médicamenteuses)

If the patient needs more doses of Albuterol Sulfate HFA than usual, this may be a marker of destabilization of asthma and requires reevaluation of the patient and treatment regimen, giving special consideration to the possible need for anti-inflammatory treatment, e.g., corticosteroids. (notice Salbutamol, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Drugs that induce CYP3A4 (e.g., phenytoin, carbamazepine, nafcillin, phenobarbital, and rifampin) should be used with caution. (notice Sélégiline, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (notice Dexaméthasone, Interactions médicamenteuses)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

• CYP3A4 Inducers : Consider dose increase of SUTENT when administered with strong CYP3A4 inducers. (notice Sunitinib, Interactions médicamenteuses)

The neuromuscular blocking effect of succinylcholine may be enhanced by drugs that reduce plasma cholinesterase activity (e.g., chronically administered oral contraceptives, glucocorticoids, or certain monoamine oxidase inhibitors) or by drugs that irreversibly inhibit plasma cholinesterase [see Warnings and Precautions (5.9) ]. (notice Suxaméthonium, Interactions médicamenteuses)

Risk of Rejection with Strong CYP3A Inducers and Risk of Serious Adverse Reactions with Strong CYP3A Inhibitors The concomitant use of strong CYP3A inducers may increase the metabolism of tacrolimus, leading to lower whole blood trough concentrations and greater risk of rejection. (notice Tacrolimus, Mises en garde et précautions)

CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) increase CIALIS exposure ( 2.7 , 5.10 , 7.2 ) requiring dose adjustment: CIALIS for use as needed: no more than 10 mg every 72 hours CIALIS for once daily use: dose not to exceed 2.5 mg CYP3A4 inducers (e.g. rifampin) decrease CIALIS exposure ( 7.2 ). (notice Tadalafil, Interactions médicamenteuses)

If adrenal insufficiency is diagnosed, treat with physiologic replacement doses of corticosteroids. (notice Tapentadol, Mises en garde et précautions)

Patients should be monitored for adequate clinical effect when amlodipine is co-administered with CYP3A4 inducers. (notice Telmisartan et amlodipine, Interactions médicamenteuses)

Pneumocystis Pneumonia (PCP) : Closely monitor all patients, particularly those receiving steroids, for the development of lymphopenia and PCP. (notice Témozolomide, Mises en garde et précautions)

If ILD is suspected, discontinue TORISEL, and consider use of corticosteroids and/or antibiotics. (notice Temsirolimus, Mises en garde et précautions)

Terbinafine clearance is increased 100% by rifampin, a CYP450 enzyme inducer, and decreased 33% by cimetidine, a CYP450 enzyme inhibitor. (notice Terbinafine, Interactions médicamenteuses)

If the patient needs more doses of terbutaline sulfate tablets than usual, this may be a marker of destabilization of asthma and requires reevaluation of the patient and the treatment regimen, giving special consideration to the possible need for anti-inflammatory treatment, e.g., corticosteroids. (notice Terbutaline, Mises en garde)

Glucocorticoids : Patients receiving glucocorticoid replacement for previously diagnosed hypoadrenalism may require an increase in maintenance or stress doses following initiation of EGRIFTA SV. (notice Tésamoréline, Interactions médicamenteuses)

Abuse of Testosterone and Monitoring of Serum Testosterone : If testosterone use at doses higher than recommended for the approved indication and in combination with other anabolic androgenic steroids is suspected, check serum testosterone concentration ( 5.5 ). (notice Testostérone, Mises en garde et précautions)

Dosage Increases: Increases in the dose of theophylline should not be made in response to an acute exacerbation of symptoms of chronic lung disease since theophylline provides little added benefit to inhaled beta2 -selective agonists and systemically administered corticosteroids in this circumstance and increases the risk of adverse effects. (notice Théophylline, Mises en garde)

Use of tiagabine HCl without enzyme-inducing antiepileptic drugs results in blood levels about twice those attained in the studies on which current dosing recommendations are based (see DOSAGE AND ADMINISTRATION ). (notice Tiagabine, Mises en garde)

CYP3A4 inducers/inhibitors: Monitor for decreased tinidazole effect or increased adverse reactions ( 7.2 ) (notice Tinidazole, Interactions médicamenteuses)

DRUG INTERACTIONS Hepatic microsomal enzyme inducing agents, such as carbamazepine, were found to significantly increase the clearance of thiothixene. (notice Tiotixène, Interactions médicamenteuses)

Concomitant Respiratory Medications SPIRIVA RESPIMAT has been used concomitantly with short-acting and long-acting sympathomimetic (beta-agonists) bronchodilators, methylxanthines, oral and inhaled steroids, antihistamines, mucolytics, leukotriene modifiers, cromones, and anti-IgE treatment without increases in adverse reactions. (notice Tiotropium, Interactions médicamenteuses)

Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (notice Dexaméthasone, Mises en garde et précautions)

Nonsteroidal Anti-Inflammatory Agents (NSAIDS) Concomitant use of aspirin (or other nonsteroidal anti-inflammatory agents) and corticosteroids increases the risk of gastrointestinal side effects [see Warnings and Precautions (‎ 5.7 ) and Adverse Reactions (‎ 6 )] . (notice Dexaméthasone, Interactions médicamenteuses)

Corticosteroids and ACTH: Increased risk of hypokalemia. (notice Torasémide, Interactions médicamenteuses)

Interrupt TRAZIMERA infusion in all patients experiencing dyspnea, clinically significant hypotension, and intervention of medical therapy administered (which may include epinephrine, corticosteroids, diphenhydramine, bronchodilators, and oxygen). (notice Trastuzumab, Mises en garde et précautions)

CYP3A4 Inducers: Increase in RALDESY dosage may be necessary ( 2.5 , 7 ). (notice Trazodone, Interactions médicamenteuses)

Co-administration of a CYP2C8 enzyme inducer (e.g., rifampin) may decrease exposure to treprostinil. (notice Tréprostinil, Mises en garde et précautions)

Hepatic enzyme inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin): Drugs which induce hepatic microsomal drug metabolizing enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased. (notice Triamcinolone, Interactions médicamenteuses)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (notice Triamtérène et hydrochlorothiazide, Interactions médicamenteuses)

Strong Inducers of CYP 3A Clinical implication Coadministration of triazolam with strong inducers of CYP3A4 can significantly decrease the plasma concentration of triazolam and may decrease effectiveness of triazolam. (notice Triazolam, Interactions médicamenteuses)

CYP3A4 Inducers: Consider increasing VIIBRYD dosage by 2-fold, up to 80 mg once-daily over 1 to 2 weeks when used concomitantly with strong CYP3A4 inducers for greater than 14 days ( 2.4 , 7 ). (notice Vilazodone, Interactions médicamenteuses)

(‎ 5.3 ) • Venous and Arterial Thromboembolism: Risk increased; consider anticoagulant prophylaxis and monitor for evidence of thromboembolism. (notice Dexaméthasone, Mises en garde et précautions)

Multiple-dose administration of the potent CYP3A4 inducer rifampin (600 mg every 24 hours, q24h, for 14 days), however, reduced zaleplon C max and AUC by approximately 80%. (notice Zaléplone, Interactions médicamenteuses)

Prior to the first BIZENGRI infusion, premedicate with a corticosteroid, an H1 antihistamine and acetaminophen to reduce the risk of IRRs [see Dosage and Administration (2.4) ]. (notice Zénocutuzumab, Mises en garde et précautions)

Pharmacokinetic Interactions Carbamazepine Carbamazepine is an inducer of CYP3A4; administration of 200 mg twice daily for 21 days resulted in a decrease of approximately 35% in the AUC of ziprasidone. (notice Ziprasidone, Interactions médicamenteuses)

CYP3A4 Inducers If co-administration with a potent CYP3A4 inducer is necessary, the patient should be closely monitored and the dose of ZONISAMIDE and other drugs that CYP3A4 substrates may need to be adjusted [see Clinical Pharmacology ( 12.3 )] . (notice Zonisamide, Interactions médicamenteuses)

Tendon rupture may occur more frequently in patients over 60 years of age, in those taking corticosteroid or fluoroquinolone drugs, in patients with renal failure, and in patients with previous tendon disorders. (notice Acide bempédoïque, Mises en garde et précautions)

Care should also be exercised in patients receiving potassium-depleting steroids. (notice Acide étacrynique, Mises en garde)

If signs of hypersensitivity occur, e.g. anaphylactoid reaction or angioedema develops, discontinue the Activase infusion and promptly institute appropriate therapy (e.g., antihistamines, intravenous corticosteroids, epinephrine). (notice Altéplase, Mises en garde et précautions)

Most patients with hypersensitivity pneumonitis discontinued treatment with ARIKAYCE and received treatment with corticosteroids [see Adverse Reactions (6.1) ] . (notice Amikacine, Mises en garde et précautions)

Drug/Laboratory Test Interactions Amphetamines can cause a significant elevation in plasma corticosteroid levels. (notice Amphétamine, Interactions médicamenteuses)

Interference with Laboratory Tests Amphetamines can cause a significant elevation in plasma corticosteroid levels. (notice Amphétamine et dexamfétamine, Interactions médicamenteuses)

OXYGEN, INTRAVENOUS STEROIDS, AND AIRWAY MANAGEMENT, INCLUDING INTUBATION, SHOULD ALSO BE ADMINISTERED AS INDICATED. (notice Ampicilline, Mises en garde)

Discontinue in patients who develop a severe infusion-related reaction and administer appropriate medical therapy (e.g., epinephrine, corticosteroids, intravenous antihistamines, bronchodilators and/or oxygen). (notice Bévacizumab, Mises en garde et précautions)

Corticosteroids, ACTH - Intensified electrolyte depletion, particularly hypokalemia. (notice Bisoprolol et hydrochlorothiazide, Précautions)

The administration of corticosteroids has been suggested, but the results have not been impressive or uniformly successful. (notice Busulfan, Mises en garde)

Corticosteroids A relationship of functional antagonism exists between vitamin D analogues, which promote calcium absorption, and corticosteroids, which inhibit calcium absorption. (notice Calcitriol, Interactions médicamenteuses)

Steroids or Adrenocorticotropic Hormone – Hypokalemia may develop during concomitant use of steroids or adrenocorticotropic hormone (ACTH). (notice Candésartan et hydrochlorothiazide, Interactions médicamenteuses)

…clozapine, cyclosporin, delavirdine, desipramine, diazepam, dicumarol, dihydropyridine calcium channel blockers (e.g., felodipine), doxycycline, ethosuximide, everolimus, felbamate, glucocorticoids, haloperidol, imatinib, itraconazole, lamotrigine, levothyroxine, lorazepam, methadone, methsuxamide, mianserin, midazolam, mirtazapine, nefazodone, olanzapine, oral… (notice Carbamazépine, Interactions médicamenteuses)

SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (notice Céfaclor, Mises en garde)

SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (notice Céfadroxil, Mises en garde et précautions)

SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (notice Cefdinir, Mises en garde)

SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (notice Céfotétan, Mises en garde)

SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (notice Cefprozil, Mises en garde)

SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, IV FLUIDS, IV ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (notice Ceftazidime, Mises en garde)

Serious acute hypersensitivity reactions may require treatment with epinephrine and other emergency measures including oxygen, corticosteroids, intravenous fluids, intravenous antihistamines, pressor amines, and airway management, as clinically indicated. (notice Ceftriaxone, Mises en garde et précautions)

Corticosteroids, ACTH - intensified electrolyte depletion, particularly hypokalemia. (notice Chlorothiazide, Interactions médicamenteuses)

The use of prophylactic steroids (e.g., 100 mg/m 2 hydrocortisone on Days 1 through 3) may be of benefit in preventing signs or symptoms of SIRS or capillary leak syndrome. (notice Clofarabine, Mises en garde et précautions)

Elevated urinary steroid levels, varying degrees of electrolyte imbalance, hypovolemia, hemoconcentration, and hypoproteinemia may occur. (notice Clomifène, Mises en garde)

The selective serotonin reuptake inhibitors sertraline (weak CYP3A4 inducer) and fluoxetine (CYP2D6 inhibitor), and the anti-epileptic drug felbamate (CYP2C19 inhibitor and CYP3A4 inducer) do not affect the pharmacokinetics of clonazepam. (notice Clonazépam, Interactions médicamenteuses)

The recovery of the adrenal gland may take from days to months so patients should be protected from the stress (e.g., trauma or surgery) by the use of corticosteroids during the period of stress. (notice Corticotropine, Mises en garde et précautions)

Drug/Laboratory Test Interactions Amphetamines can cause a significant elevation in plasma corticosteroid levels. (notice Dexamfétamine, Interactions médicamenteuses)

Drug Interactions If phenytoin or other hepatic enzyme inducers are taken concurrently with Norpace or Norpace CR, lower plasma levels of disopyramide may occur. (notice Disopyramide, Interactions médicamenteuses)

Anticholinesterases Concomitant use of anticholinesterase agents and corticosteroids may produce severe weakness in patients with myasthenia gravis. (notice Dexaméthasone, Interactions médicamenteuses)

These would include diuretics, laxatives and supraphysiological use of steroid hormones with mineralocorticoid potential. (notice Dropéridol, Interactions médicamenteuses)

TAF is not an inhibitor or inducer of CYP3A in vivo . (notice Emtricitabine et ténofovir, Interactions médicamenteuses)

Corticosteroids, ACTH Intensified electrolyte depletion, particularly hypokalemia. (notice Énalapril et hydrochlorothiazide, Interactions médicamenteuses)

Effects of Other Drugs on HALAVEN No drug-drug interactions are expected with CYP3A4 inhibitors, CYP3A4 inducers or P-glycoprotein (P-gp) inhibitors. (notice Éribuline, Interactions médicamenteuses)

Steroids may or may not be effective in controlling these hemolytic episodes. (notice Fludarabine, Mises en garde et précautions)

Most patients improved promptly with discontinuation of fluoxetine and/or adjunctive treatment with antihistamines or steroids, and all patients experiencing these reactions were reported to recover completely. (notice Fluoxétine, Mises en garde et précautions)

Anticholinesterases Concomitant use of anticholinesterase agents and corticosteroids may produce severe weakness in patients with myasthenia gravis. (notice Dexaméthasone, Interactions médicamenteuses)

In the reported cases NME resolved with discontinuation of the glucagon, and treatment with corticosteroids was not effective. (notice Glucagon, Mises en garde et précautions)

TREMFYA was subsequently discontinued, and the liver test abnormalities resolved following administration of corticosteroids [see Adverse Reactions (6.1) ] . (notice Guselkumab, Mises en garde et précautions)

ATROVENT HFA has been used concomitantly with other drugs, including sympathomimetic bronchodilators, methylxanthines, oral and inhaled steroids commonly used in the treatment of COPD. (notice Ipratropium, Interactions médicamenteuses)

The infusion should be terminated immediately, followed by the administration of volume expanders, pressor agents, corticosteroids, or antihistamines at the discretion of the physician. (notice Melphalan, Mises en garde)

Drug/Laboratory Test Interactions Amphetamines can cause a significant elevation in plasma corticosteroid levels. (notice Méthamphétamine, Interactions médicamenteuses)

Intra-arterial glucocorticoid injection at the site of injury, followed by systemic steroids. (notice Méthohexital, Mises en garde)

When phenytoin or other hepatic enzyme inducers such as rifampin and phenobarbital have been taken concurrently with mexiletine, lowered mexiletine plasma levels have been reported. (notice Mexilétine, Interactions médicamenteuses)

Midodrine hydrochloride has been used in patients concomitantly treated with salt-retaining steroid therapy (i.e., fludrocortisone acetate), with or without salt supplementation. (notice Midodrine, Interactions médicamenteuses)

Following concurrent administration of mitoxantrone injection with corticosteroids, no evidence of drug interactions has been observed. (notice Mitoxantrone, Interactions médicamenteuses)

Both cases required hospitalization, and resolved after treatment with antibiotics and corticosteroids. (notice Naltrexone, Mises en garde et précautions)

Anticholinesterases Concomitant use of anticholinesterase agents and corticosteroids may produce severe weakness in patients with myasthenia gravis. (notice Dexaméthasone, Interactions médicamenteuses)

Most patients improved promptly with discontinuation of fluoxetine and/or adjunctive treatment with antihistamines or steroids, and all patients experiencing these reactions were reported to recover completely. (notice Olanzapine et fluoxétine, Mises en garde et précautions)

Corticosteroids, ACTH: Intensified electrolyte depletion, particularly hypokalemia. (notice Olmésartan et hydrochlorothiazide, Interactions médicamenteuses)

If an allergic reaction occurs, the drug should be discontinued and the patient should receive supportive treatment, e.g. , artificial maintenance of ventilation, pressor amines, antihistamines, and corticosteroids. (notice Oxacilline, Mises en garde)

Oxygen, intravenous steroids, and airway management, including intubation, should also be administered as indicated. (notice Pénicilline G, Mises en garde)

OXYGEN, INTRAVENOUS STEROIDS, AND AIRWAY MANAGEMENT, INCLUDING INTUBATION, SHOULD ALSO BE ADMINISTERED AS INDICATED. (notice Pénicilline V, Mises en garde)

Anticholinesterases Concomitant use of anticholinesterase agents and corticosteroids may produce severe weakness in patients with myasthenia gravis. (notice Dexaméthasone, Interactions médicamenteuses)

Anticholinesterases Concomitant use of anticholinesterase agents and corticosteroids may produce severe weakness in patients with myasthenia gravis. (notice Dexaméthasone, Interactions médicamenteuses)

Other Concomitant Medications EVISTA can be concomitantly administered with ampicillin, amoxicillin, antacids, corticosteroids, and digoxin [see Clinical Pharmacology ( 12.3 )] . (notice Raloxifène, Interactions médicamenteuses)

CYP3A4 Substrates An in vitro study has suggested that rifaximin induces CYP3A4 [see Clinical Pharmacology ( 12.3 )] . (notice Rifaximine, Interactions médicamenteuses)

Strong CYP3A inducers: Strong inducers of CYP3A (for example, rifampin, phenytoin, carbamazepine, phenobarbital or St. (notice Riociguat, Interactions médicamenteuses)

Institute medical management (e.g., glucocorticoids, epinephrine, bronchodilators, or oxygen) for infusion-related reactions as needed. (notice Rituximab, Mises en garde et précautions)

Anticholinesterases Concomitant use of anticholinesterase agents and corticosteroids may produce severe weakness in patients with myasthenia gravis. (notice Dexaméthasone, Interactions médicamenteuses)

Corticosteroids, ACTH: Intensified electrolyte depletion, particularly hypokalemia, may occur. (notice Spironolactone et hydrochlorothiazide, Interactions médicamenteuses)

If symptoms of hypersensitivity occur, initiate appropriate therapy (e.g., antihistamines, corticosteroids, epinephrine). (notice Ténectéplase, Mises en garde et précautions)

In clinical studies, patients receiving TOBI Podhaler continued to take dornase alfa, bronchodilators, inhaled corticosteroids, and macrolides. (notice Tobramycine, Interactions médicamenteuses)

Patients improved with discontinuation of therapy and in certain cases administration of corticosteroids. (notice Ustékinumab, Mises en garde et précautions)

Concurrent use of strong CYP3A inducers (e.g., St. (notice Vincristine, Interactions médicamenteuses)

Les corticoïdes tels que la prednisone réduisent l'absorption du calcium et perturbent le métabolisme de la vitamine D, ce qui contribue à la perte osseuse. (NIH Office of Dietary Supplements, Vitamin D)

Drugs Having No Clinically Important Interactions with SAPHRIS No dosage adjustment of SAPHRIS is necessary when administered concomitantly with paroxetine (see Table 12 in Drug Interactions ( 7.1 ) for paroxetine dosage adjustment), imipramine, cimetidine, valproate, lithium, or a CYP3A4 inducer (e.g., carbamazepine, phenytoin, rifampin). (notice Asénapine, Interactions médicamenteuses)

CYP2C19 and CYP3A4 Inducer Co-administration of Micafungin in Sodium Chloride Injection with rifampin and ritonavir did not alter the pharmacokinetics of micafungin. (notice Micafungine, Interactions médicamenteuses)