Norgestrel et éthinylestradiol : interactions médicamenteuses

Concomitant use of combined hormonal contraceptives ( 4.1 ) (notice Acide tranexamique, Contre-indications)

For patients with amenorrhea, the second test should be done at least 11 days after the last act of unprotected sexual intercourse (without using 2 effective forms of contraception [birth control] simultaneously). (notice Acitrétine, Mise en garde encadrée)

Estrogen Estrogen-containing therapies should not be used with ARIMIDEX as they may diminish its pharmacological action. (notice Anastrozole, Interactions médicamenteuses)

…surgery with prolonged immobilization • Current diagnosis of, or history of, breast cancer, which may be hormone-sensitive • Carcinoma of the endometrium or other known or suspected estrogen-dependent neoplasia • Undiagnosed abnormal genital bleeding • Cholestatic jaundice of pregnancy or jaundice with prior pill use • Acute or chronic hepatocellular disease with… (notice Désogestrel et éthinylestradiol, Contre-indications)

CARDIOVASCULAR AND OTHER RISKS Estrogens and progestins should not be used for the prevention of cardiovascular disease [see WARNINGS , Cardiovascular disorders ]. (notice Estradiol, Mise en garde encadrée)

Therefore, the relevance of the WHI findings regarding adverse cardiovascular events, dementia and breast cancer to lower CE plus other MPA doses, other routes of administration, or other estrogen plus progestogen products is not known. (notice Estradiol et noréthistérone, Mise en garde encadrée)

Adding a progestin to estrogen therapy has been shown to reduce the risk of endometrial hyperplasia, which may be a precursor to endometrial cancer. (notice Estrogènes conjugués, Mise en garde encadrée)

WARNING: ENDOMETRIAL CANCER, CARDIOVASCULAR DISORDERS, AND PROBABLE DEMENTIA • Women taking DUAVEE should not take additional estrogens [see Warnings and Precautions (5.1) ] • There is an increased risk of endometrial cancer in a woman with a uterus who uses unopposed estrogens. (notice Estrogènes conjugués et bazédoxifène, Mise en garde encadrée)

(See WARNINGS, Malignant Neoplasms, Endometrial Cancer. ) CARDIOVASCULAR AND OTHER RISKS Estrogens with or without progestins should not be used for the prevention of cardiovascular disease. (notice Estrogènes estérifiés et méthyltestostérone, Mise en garde encadrée)

WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS Cigarette smoking increases the risk of serious cardiovascular events from combination hormonal contraceptive (CHC) use. (notice Étonogestrel et éthinylestradiol, Mise en garde encadrée)

Administration with Estrogen-Containing Agents EXEMESTANE should not be coadministered with systemic estrogen-containing agents as these could interfere with its pharmacologic action. (notice Exémestane, Mises en garde et précautions)

Women taking estrogen-containing oral contraceptives may be at increased risk of becoming pregnant while on griseofulvin (see also PRECAUTIONS, Drug Interactions ) . (notice Griséofulvine, Contre-indications)

…Precautions ( 5.4 )] • Postpartum endometritis or infected abortion in the past 3 months • Known or suspected uterine or cervical malignancy • Known or suspected breast cancer or other progestin-sensitive cancer, now or in the past • Uterine bleeding of unknown etiology • Untreated acute cervicitis or vaginitis, including bacterial vaginosis or other lower genital… (notice Lévonorgestrel, Contre-indications)

…symptoms, migraine headaches with aura, or over age 35 with any migraine headaches [see Warnings and Precautions (5.7) ] Current or history of breast cancer or other estrogen- or progestin-sensitive cancer Liver tumors, acute viral hepatitis, or severe (decompensated) cirrhosis [see Warnings and Precautions (5.2) ] Undiagnosed abnormal uterine bleeding [see… (notice Lévonorgestrel et éthinylestradiol, Contre-indications)

…breast cancer, which may be hormone-sensitive Hypersensitivity to any of the components of Low-Ogestrel Women who are receiving Hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT Elevations (see Warnings, Risk of liver enzyme elevations with concomitant hepatitis c treatment ). (notice Norgestrel et éthinylestradiol, Contre-indications)

• MPA Injectable Suspension, USP is not recommended as a long-term (i.e., longer than 2 years) birth control method unless other options are considered inadequate [see Indications and Usage (1) and Warnings and Precautions (5.1) ] . (notice Médroxyprogestérone, Mise en garde encadrée)

Hormonal contraceptives: Do not use with mifepristone ( 7.6 ). (notice Mifépristone, Interactions médicamenteuses)

Le millepertuis peut rendre les pilules contraceptives moins efficaces. (NCCIH, St. John's Wort)

• is capable of complying with effective contraceptive measures. (notice Misoprostol, Mise en garde encadrée)

Sensitive CYP3A substrates including hormonal contraceptives: Avoid concomitant use with substrates that have narrow therapeutic index. (notice Mitapivat, Interactions médicamenteuses)

Hormonal contraceptives: Avoid concomitant use with LYSODREN. (notice Mitotane, Interactions médicamenteuses)

…breast cancer, which may be hormone-sensitive Hypersensitivity to any of the components of Low-Ogestrel Women who are receiving Hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT Elevations (see Warnings, Risk of liver enzyme elevations with concomitant hepatitis c treatment ). (notice Norgestrel et éthinylestradiol, Contre-indications)

WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS and CONTRAINDICATED IN WOMEN WITH A BMI |GTE 30 kg/m2 • Cigarette Smoking and Serious Cardiovascular Events Cigarette smoking increases the risk of serious cardiovascular events from hormonal contraceptive use. (notice Norelgestromine et éthinylestradiol, Mise en garde encadrée)

CONTRAINDICATIONS Progestin-only oral contraceptives (POPs) should not be used by women who currently have the following conditions: • Known or suspected pregnancy • Known or suspected carcinoma of the breast. (notice Noréthistérone, Contre-indications)

Coronary Heart Disease In women 50 to 59 years of age, the WHI estrogen plus progestin trial reported a relative risk for coronary heart disease (CHD) events (defined as nonfatal MI, silent MI, or CHD death) of 1.34 (95% CI, 0.82, 2.19) for CE/MPA compared placebo, with a risk difference of 5 per 10,000 WYs (23 versus 17). (notice Progestérone, Mises en garde)

Concomitant Use with Systemic Estrogens : Not recommended. (notice Raloxifène, Mises en garde et précautions)

…breast cancer, which may be hormone-sensitive Hypersensitivity to any of the components of Low-Ogestrel Women who are receiving Hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT Elevations (see Warnings, Risk of liver enzyme elevations with concomitant hepatitis c treatment ). (notice Norgestrel et éthinylestradiol, Contre-indications)

WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS Cigarette smoking increases the risk of serious cardiovascular events from combination oral contraceptive (COC) use. (notice Norgestrel et éthinylestradiol, Mise en garde encadrée)

Moderate or Weak CYP1A2 Inhibitors Concomitant use of Zanaflex with moderate or weak CYP1A2 inhibitors (e.g., zileuton, antiarrhythmics [amiodarone, mexiletine, propafenone, and verapamil], cimetidine, famotidine, oral contraceptives, acyclovir, and ticlopidine) should be avoided. (notice Tizanidine, Interactions médicamenteuses)

John's Wort (CYP450 inducer; P-gp inducer) Significantly Reduced Contraindicated Oral Contraceptives containing ethinyl estradiol and norethindrone (CYP2C19 Inhibition) Increased Monitoring for adverse reactions and toxicity related to voriconazole is recommended for concomitant administration with oral contraceptives. (notice Voriconazole, Interactions médicamenteuses)

Drugs Affecting Lipid Metabolism Estrogens, oral contraceptives, and clofibrate (and perhaps other lipid-lowering drugs) increase hepatic cholesterol secretion and encourage cholesterol gallstone formation and hence may counteract the effectiveness of URSO 250 and URSO Forte. (notice Acide ursodésoxycholique, Interactions médicamenteuses)

Aspirin, carbapenem antibiotics, estrogen-containing hormonal contraceptives: Monitoring of valproate concentrations is recommended (7.1) (notice Acide valproïque, Interactions médicamenteuses)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Examples: Thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs and isoniazid Alogliptin Cytochrome (CYP) P450, CYP-Substrates or Inhibitors Clinical Impact: Insulin Secretagogues and Insulin Insulin and insulin secretagogues… (notice Alogliptine et metformine, Interactions médicamenteuses)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Substances increasing the plasma concentrations of COCs Co-administration of atorvastatin or rosuvastatin and certain COCs containing EE increase AUC values for EE by approximately 20-25%. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Amoxicillin may reduce the efficacy of oral contraceptives. (notice Amoxicilline, Interactions médicamenteuses)

Amoxicillin and Clavulanate Potassium Extended Release Tablets may reduce efficacy of oral contraceptives. (notice Amoxicilline et acide clavulanique, Interactions médicamenteuses)

Oral Contraceptives : May be less effective and increased breakthrough bleeding may occur. (notice Ampicilline, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of NUVIGIL on CYP3A4/5 Substrates The clearance of drugs that are substrates for CYP3A4/5 (e.g., steroidal contraceptives, cyclosporine, midazolam, and triazolam) may be increased by NUVIGIL via induction of metabolic enzymes, which results in lower systemic exposure. (notice Armodafinil, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Substances increasing the plasma concentrations of COCs Co-administration of atorvastatin or rosuvastatin and certain COCs containing EE increase AUC values for EE by approximately 20-25%. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Drugs without Clinically Significant Interactions with Cabotegravir Based on drug interaction study results, the following drugs can be coadministered with cabotegravir without a dose adjustment: etravirine, midazolam, oral contraceptives containing levonorgestrel and ethinyl estradiol, rifabutin, and rilpivirine [see Clinical Pharmacology ( 12.3 )] . (notice Cabotégravir, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Drugs That Increase the Risk of Hypercalcemia Increase frequency of monitoring of calcium concentrations in patients taking concomitant Calcium Chloride Injection and other drugs that increase the risk of hypercalcemia (e.g., calcipotriene, estrogen, lithium, parathyroid hormone, teriparatide, thiazide diuretics, Vitamin A, and Vitamin D). (notice Chlorure de calcium, Interactions médicamenteuses)

Safe and effective induction of ovulation with use of PREGNYL requires monitoring of ovarian response with serum estradiol and transvaginal ultrasound on a regular basis. (notice Choriogonadotropine alfa, Mises en garde)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, 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)

The drug interaction between the contraceptive and colesevelam was decreased when the two drug products were given 4 hours apart. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Colesevelam Colesevelam, a bile acid sequestrant, given together with a COC, has been shown to significantly decrease the AUC of EE. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Colesevelam Colesevelam, a bile acid sequestrant, given together with a COC, has been shown to significantly decrease the AUC of EE. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

…budesonide, buspirone, conivaptan, cyclosporine, darifenacin, darunavir, dasatinib, dihydroergotamine, dronedarone, eletriptan, eplerenone, ergotamine, everolimus, felodipine, fentanyl, hormonal contraceptive agents, indinavir, fluticasone, lopinavir, lovastatin, lurasidone, maraviroc, midazolam, nisoldipine, pimozide, quetiapine, quinidine, saquinavir, sildenafil,… (notice Déférasirox, Interactions médicamenteuses)

Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (notice Deutétrabénazine, 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)

Effects of Other Drugs on Combined Oral Contraceptives Substances decreasing the plasma concentrations of COCs and potentially diminishing the efficacy of COCs Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the plasma concentrations of COCs and potentially diminish the effectiveness of COCs or increase… (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Aspirin, carbapenem antibiotics, estrogen-containing hormonal contraceptives, methotrexate: Monitoring of valproate concentrations is recommended ( 7.1 ) (notice Divalproate de sodium (valproate), Interactions médicamenteuses)

…following drugs can be coadministered with dolutegravir without a dose adjustment: atazanavir/ritonavir, darunavir/ritonavir, elbasvir/grazoprevir, methadone, midazolam, omeprazole, oral contraceptives containing norgestimate and ethinyl estradiol, prednisone, rifabutin, rilpivirine, sofosbuvir/velpatasvir, and tenofovir [see Clinical Pharmacology ( 12.3 )] . (notice Dolutégravir, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of Other Drugs on Combined Oral Contraceptives Substances decreasing the plasma concentrations of COCs and potentially diminishing the efficacy of COCs Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the plasma concentrations of COCs and potentially diminish the effectiveness of COCs or increase… (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

For patients with CF taking hormonal contraceptives who develop rash, consider interrupting TRIKAFTA and hormonal contraceptives. (notice Élexacaftor, tézacaftor et ivacaftor, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Hormonal Contraceptives: APTIOM may decrease the effectiveness of hormonal contraceptives. (notice Eslicarbazépine, Interactions médicamenteuses)

Effects of Other Drugs on Combined Oral Contraceptives Substances decreasing the plasma concentrations of COCs and potentially diminishing the efficacy of COCs Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the plasma concentrations of COCs and potentially diminish the effectiveness of COCs or increase… (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

…progestin have been noted when COCs are co-administered with some HIV protease inhibitors (decrease [e.g., nelfinavir, ritonavir, darunavir/ritonavir, (fos) amprenavir/ritonavir, lopinavir/ritonavir, and tipranavir/ritonavir], or increase [e.g., indinavir and atazanavir/ritonavir] HCV protease inhibitors (decrease [e.g., nevirapine] or increase [e.g., etravirine]). (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Weak CYP3A4 Inhibitors Examples Oral contraceptives, cimetidine, fluoxetine, ginkgo, ranitidine Clinical Implications The concomitant use of ADDYI with multiple weak CYP3A4 inhibitors may increase the risk of adverse reactions. (notice Flibansérine, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Estrogen —increased levels of corticosteroid-binding globulin thereby increasing the bound (inactive) fraction; this effect is at least balanced by decreased metabolism of corticosteroids. (notice Fludrocortisone, Interactions médicamenteuses)

Use of ultrasound monitoring of ovarian response and/or measurement of serum estradiol levels is important to minimize the risk of overstimulation [see Warnings and Precautions (5.8) ] . (notice Follitropine, Mises en garde et précautions)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

…omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine, sulfamethoxazole-trimethoprim Other Acute alcohol intake, amiodarone, chloramphenicol, chlordiazepoxide, disulfiram, estrogen, fluvastatin, isoniazid, methylphenidate, phenothiazines, salicylates, ticlopidine, tolbutamide, trazodone, warfarin Drugs that may decrease phenytoin serum levels Antineoplastic… (notice Fosphénytoïne, Interactions médicamenteuses)

Effects of Other Drugs on Combined Oral Contraceptives Substances decreasing the plasma concentrations of COCs and potentially diminishing the efficacy of COCs Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the plasma concentrations of COCs and potentially diminish the effectiveness of COCs or increase… (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Oral Contraceptive Based on AUC and half-life, multiple-dose pharmacokinetic profiles of norethindrone and ethinyl estradiol following administration of tablets containing 2.5 mg of norethindrone acetate and 50 mcg of ethinyl estradiol were similar with and without coadministration of gabapentin (400 mg three times a day; N=13). (notice Gabapentine, Interactions médicamenteuses)

…somatropin, protease inhibitors, atypical antipsychotic medications (e.g., olanzapine and clozapine), barbiturates, diazoxide, laxatives, rifampin, thiazides and other diuretics, corticosteroids, phenothiazines, thyroid hormones, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics (e.g., epinephrine, albuterol, terbutaline), and isoniazid. (notice Glimépiride, Interactions médicamenteuses)

…GLUCOTROL XL, leading to worsening glycemic control: atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline),… (notice Glipizide, Interactions médicamenteuses)

Tumor Flare Phenomenon Initially, ZOLADEX, like other GnRH agonists, causes transient increases in serum levels of testosterone in men with prostate cancer, and estrogen in women with breast cancer. (notice Goséréline, Mises en garde et précautions)

• Large doses of salicylates, cortisone, adrenocorticotropic hormone (ACTH), estrogens or antihistamines may require larger amounts of hyaluronidase for equivalent dispersing effect ( 7.4 ) (notice Hyaluronidase, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Intervention: Concomitant use of estrogen/estrogen containing products may require an increase in the ALKINDI SPRINKLE dose. (notice Hydrocortisone, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

…Glucose Lowering Effect of Insulin Aspart Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline),… (notice Insuline asparte, Interactions médicamenteuses)

…Glucose Lowering Effect of Insulin Degludec Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline),… (notice Insuline dégludec, Interactions médicamenteuses)

…Blood Glucose Lowering Effect of LEVEMIR Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline),… (notice Insuline détémir, Interactions médicamenteuses)

…Lowering Effect of Insulin Glargine-yfgn Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline),… (notice Insuline glargine, Interactions médicamenteuses)

…Blood Glucose Lowering Effect of LYUMJEV Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline),… (notice Insuline lispro, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effect on Oral Contraceptives Teriflunomide may increase the systemic exposures of ethinylestradiol and levonorgestrel. (notice Léflunomide, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Females must commit either to abstain continuously from heterosexual sexual intercourse or to use two methods of reliable birth control, beginning 4 weeks prior to initiating treatment with REVLIMID, during therapy, during dose interruptions and continuing for 4 weeks following discontinuation of REVLIMID therapy. (notice Lénalidomide, Mises en garde et précautions)

Women on thyroid hormone replacement therapy may need increased doses of thyroid hormone because serum concentration of thyroid-binding globulin increases with use of COCs. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Women on thyroid hormone replacement therapy may need increased doses of thyroid hormone because serum concentration of thyroid-binding globulin increases with use of COCs. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Women on thyroid hormone replacement therapy may need increased doses of thyroid hormone because serum concentration of thyroid-binding globulin increases with use of COCs. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Careful titration may then be considered based on LDL-C response and safety/tolerability to a maximum recommended dosage of 30 mg daily except when coadministered with oral contraceptives, in which case the maximum recommended lomitapide dosage is 40 mg daily [see Dosage and Administration (2.3) and Drug Interactions (7.2) ]. (notice Lomitapide, Mises en garde et précautions)

Advise females of reproductive potential to use an effective non-hormonal method of contraception, since LORBRENA can render hormonal contraceptives ineffective, during treatment with LORBRENA and for at least 6 months after the final dose. (notice Lorlatinib, Mises en garde et précautions)

Effects of Other Drugs on Combined Oral Contraceptives Substances decreasing the plasma concentrations of COCs and potentially diminishing the efficacy of COCs Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the plasma concentrations of COCs and potentially diminish the effectiveness of COCs or increase… (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Estrogens, including oral contraceptives : Estrogens may decrease the hepatic metabolism of certain corticosteroids, thereby increasing their effect. (notice Méthylprednisolone, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of PROVIGIL on CYP3A4/5 Substrates The clearance of drugs that are substrates for CYP3A4/5 (e.g., steroidal contraceptives, cyclosporine, midazolam, and triazolam) may be increased by PROVIGIL via induction of metabolic enzymes, which results in lower systemic exposure. (notice Modafinil, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Mycophenolate mofetil may reduce effectiveness of oral contraceptives. (notice Mycophénolate, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

…progestin have been noted when COCs are co-administered with some HIV protease inhibitors (decrease [e.g., nelfinavir, ritonavir, darunavir/ritonavir, (fos) amprenavir/ritonavir, lopinavir/ritonavir, and tipranavir/ritonavir], or increase [e.g., indinavir and atazanavir/ritonavir] HCV protease inhibitors (decrease [e.g., nevirapine] or increase [e.g., etravirine]). (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Advise women taking oral hormonal contraceptives experiencing vomiting, diarrhea, or other conditions where the drug absorption may be reduced to use alternative highly effective contraception. (notice Nintédanib, Mises en garde et précautions)

Effects of Other Drugs on Combined Oral Contraceptives Substances decreasing the plasma concentrations of COCs and potentially diminishing the efficacy of COCs Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the plasma concentrations of COCs and potentially diminish the effectiveness of COCs or increase… (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of Other Drugs on Combined Oral Contraceptives Substances decreasing the plasma concentrations of COCs and potentially diminishing the efficacy of COCs Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the plasma concentrations of COCs and potentially diminish the effectiveness of COCs or increase… (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Intervention: Decreased bioavailability may potentially diminish the effectiveness of combined oral contraceptives (COCs) or increase breakthrough bleeding. (notice Octréotide, Interactions médicamenteuses)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

…somatropin, protease inhibitors, atypical antipsychotic medications (e.g., olanzapine and clozapine), barbiturates, diazoxide, laxatives, rifampin, thiazides and other diuretics, corticosteroids, phenothiazines, thyroid hormones, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics (e.g., epinephrine, albuterol, terbutaline), and isoniazid. (notice Pioglitazone et glimépiride, Interactions médicamenteuses)

Sensitive CYP3A4 Substrates (including hormonal contraceptives): WAKIX may reduce effectiveness of sensitive CYP3A4 substrates. (notice Pitolisant, Interactions médicamenteuses)

Females must commit either to abstain continuously from heterosexual sexual intercourse or to use 2 methods of reliable birth control, beginning 4 weeks prior to initiating treatment with POMALYST, during therapy, during dose interruptions, and continuing for 4 weeks following discontinuation of POMALYST therapy. (notice Pomalidomide, Mises en garde et précautions)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Estrogens, Including Oral Contraceptives Estrogens may decrease the hepatic metabolism of certain corticosteroids, thereby increasing their effect. (notice Prednisone, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Women on thyroid hormone replacement therapy may need increased doses of thyroid hormone because serum concentration of thyroid-binding globulin increases with use of COCs. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Oral Contraceptives (Estrogen, Progestin) In 7 healthy females who were using single-ingredient progestin or combination estrogen-containing oral contraceptives, the pharmacokinetic parameters of a single 600 mg dose of quinine sulfate were not altered in comparison to those observed in 7 age-matched female control subjects not using oral contraceptives. (notice Quinine, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Telaprevir Decrease AUC by 92% Systemic Hormonal Contraceptives Prevention or Management: Advise patients to change to non-hormonal methods of birth control during rifampin therapy Estrogens Decrease exposure Progestins Anticonvulsants Phenytoin Administered with rifampin 450 mg daily Decrease exposure Antiarrhythmics Disopyramide Decrease exposure Mexiletine… (notice Rifampicine, Interactions médicamenteuses)

Hormonal Contraceptives PRIFTIN may reduce the effectiveness of hormonal contraceptives. (notice Rifapentine, Interactions médicamenteuses)

The concomitant use of strong or moderate CYP1A2 inhibitors (e.g., ciprofloxacin, enoxacin, fluvoxamine, methoxsalen, mexiletine, oral contraceptives, thiabendazole, vemurafenib, zileuton) with TIGLUTIK may increase the risk of TIGLUTIK - associated adverse reactions [see Clinical Pharmacology (12.3) ]. (notice Riluzole, Interactions médicamenteuses)

Oral Contraceptives Containing Gestodene and Ethinyl Estradiol The co-administration of DALIRESP (500 mcg) with oral contraceptives containing gestodene and ethinyl estradiol may increase roflumilast systemic exposure and may result in increased side effects. (notice Roflumilast, Interactions médicamenteuses)

Estrogens Population pharmacokinetic analysis revealed that higher doses of estrogens (usually associated with hormone replacement therapy) reduced the clearance of ropinirole. (notice Ropinirole, Interactions médicamenteuses)

Substances increasing the plasma concentrations of COCs Co-administration of atorvastatin or rosuvastatin and certain COCs containing EE increase AUC values for EE by approximately 20-25%. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Oral Estrogen Clinical Impact: Oral estrogens may reduce the serum IGF-1 response to HUMATROPE. (notice Somatropine, Interactions médicamenteuses)

Oral Contraceptives: Decreased efficacy possibly resulting in pregnancy; use a different or additional form of contraception. (notice Sous-citrate de bismuth, métronidazole et tétracycline, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Therefore, the administration of a bolus dose of BRIDION is considered to be equivalent to missing dose(s) of oral contraceptives containing an estrogen or progestogen. (notice Sugammadex, Interactions médicamenteuses)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, 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)

…contraceptives containing progestins other than levonorgestrel and norethindrone should use additional nonhormonal contraceptives (such as condoms) or use alternative contraceptives (e.g., a combined oral contraceptive containing ethinyl estradiol as the estrogen and levonorgestrel or norethindrone as the progestin, an intrauterine system) during JOURNAVX treatment and… (notice Suzétrigine, Mises en garde et précautions)

Mild or Moderate CYP3A Inhibitors: Clotrimazole, antibiotics (e.g., verapamil, diltiazem, nifedipine, nicardipine), amiodarone, danazol, ethinyl estradiol, cimetidine, lansoprazole and omeprazole May increase tacrolimus whole blood trough concentrations and increase the risk of serious adverse reactions (e.g., neurotoxicity, QT prolongation) [see Warnings and… (notice Tacrolimus, Interactions médicamenteuses)

Hypercalcemia in Patients with Metastatic Breast Cancer As with other additive hormonal therapy (estrogens and androgens), hypercalcemia has been reported in some breast cancer patients with bone metastases within a few weeks of starting treatment with tamoxifen. (notice Tamoxifène, Mises en garde et précautions)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Effect of AUBAGIO on Oral Contraceptives AUBAGIO may increase the systemic exposures of ethinylestradiol and levonorgestrel. (notice Tériflunomide, Interactions médicamenteuses)

Women on thyroid hormone replacement therapy may need increased doses of thyroid hormone because serum concentration of thyroid-binding globulin increases with use of COCs. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Chronic increase in serum prolactin levels (although not evaluated in the tetrabenazine development program) has been associated with low levels of estrogen and increased risk of osteoporosis. (notice Tétrabénazine, Mises en garde et précautions)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Women on thyroid hormone replacement therapy may need increased doses of thyroid hormone because serum concentration of thyroid-binding globulin increases with use of COCs. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (notice Tirzépatide, Interactions médicamenteuses)

Exercise caution when coadministering TOFIDENCE with CYP3A4 substrate drugs where decrease in effectiveness is undesirable, e.g., oral contraceptives, lovastatin, atorvastatin, etc. (notice Tocilizumab, Interactions médicamenteuses)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Ascorbic acid and acetaminophen may increase plasma EE concentrations, possibly by inhibition of conjugation. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Estrogens, including oral contraceptives: Estrogens may decrease the hepatic metabolism of certain corticosteroids, thereby increasing their effect. (notice Triamcinolone, Interactions médicamenteuses)

Advise women to follow the instructions on the initiation or resumption of hormonal contraceptives after ella intake [see Dosage and Administration(2.2) ]. (notice Ulipristal, Mises en garde et précautions)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

…carbamazepine, phenobarbital, rifampin CYP1A2 acyclovir, allopurinol, caffeine, cimetidine, ciprofloxacin, disulfiram, enoxacin, famotidine, fluvoxamine, methoxsalen, mexiletine, norfloxacin, oral contraceptives, phenylpropanolamine, propafenone, propranolol, terbinafine, thiabendazole, ticlopidine, verapamil, zileuton montelukast, moricizine, omeprazole, phenobarbital,… (notice Warfarine, Interactions médicamenteuses)

These drugs include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel-blocking drugs, and isoniazid. (notice Acarbose, Interactions médicamenteuses)

Hormone Therapy Concomitant use of Risedronate sodium delayed-release with estrogens and estrogen agonist/antagonists has not been studied. (notice Acide risédronique, Interactions médicamenteuses)

Advise women of reproductive potential to use effective birth control for the duration of ALBENZA therapy and for one month after end of therapy. (notice Albendazole, Mises en garde et précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Drug products which may be affected include oral or other systemic hormonal contraceptives. (notice Bexarotène, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Counsel women to use an alternative method of contraception or a back-up method when enzyme inducers are used with COCs, and to continue back-up contraception for 28 days after discontinuing the enzyme inducer to ensure contraceptive reliability. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Moderate or weak CYP1A2 inhibitors include oral contraceptives and caffeine. (notice Clozapine, Interactions médicamenteuses)

Sixteen (16) drugs tested did not show an in vitro interaction with LOKELMA (allopurinol, apixaban, aspirin, captopril, cyclosporine, digoxin, ethinyl estradiol, lisinopril, magnesium, metformin, phenytoin, prednisone, propranolol, quinapril, spironolactone and ticagrelor). (notice Cyclosilicate de zirconium sodique, Interactions médicamenteuses)

These medications include thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs, and isoniazid. (notice Dapagliflozine et metformine, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Concurrent use of tetracyclines with oral contraceptives may render oral contraceptives less effective. (notice Déméclocycline, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Concurrent use of tetracyclines, including doxycycline hyclate may render oral contraceptives less effective. (notice Doxycycline, Interactions médicamenteuses)

These drugs include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs, and isoniazid. (notice Empagliflozine et metformine, Interactions médicamenteuses)

For oral medications that are dependent on threshold concentrations for efficacy, such as contraceptives and antibiotics, patients should be advised to take those drugs at least 1 hour before BYETTA injection. (notice Exénatide, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

These drugs include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs, and isoniazid. (notice Glibenclamide, Interactions médicamenteuses)

Examples: Thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (notice Glibenclamide et metformine, Interactions médicamenteuses)

These drugs include thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs, and isoniazid. (notice Glipizide et metformine, Précautions)

Drugs that may cause hypercalcemia: Vitamin D, vitamin A, thiazide diuretics, estrogen, calcipotriene and teriparatide administration may cause hypercalcemia. (notice Gluconate de calcium, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Atypical Antipsychotics (e.g., olanzapine and clozapine), Corticosteroids, Danazol, Diuretics, Estrogens, Glucagon, Isoniazid, Niacin, Oral Contraceptives, Phenothiazines, Progestogens (e.g., in oral contraceptives), Protease inhibitors, Somatropin, Sympathomimetic Agents (e.g., albuterol, epinephrine, terbutaline) and Thyroid Hormones. (notice Insuline rapide (humaine), Interactions médicamenteuses)

Oral Contraceptives Isotretinoin Capsules did not result in clinically significant changes in the pharmacokinetics of norethindrone and ethinyl estradiol when used concomitantly with a norethindrone and ethinyl estradiol oral contraceptive [see Clinical Pharmacology ( 12.3 )]. (notice Isotrétinoïne, Interactions médicamenteuses)

Potential pharmacokinetic interactions of or with levetiracetam were assessed in clinical pharmacokinetic studies (phenytoin, valproate, warfarin, digoxin, oral contraceptive, probenecid) and through pharmacokinetic screening in the placebo-controlled clinical studies in epilepsy patients. (notice Lévétiracétam, Interactions médicamenteuses)

These drugs include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs, and isoniazid. (notice Linagliptine et metformine, Interactions médicamenteuses)

Advise patients who can become pregnant to use effective contraceptive methods prior to initiation of treatment, during treatment, and for one month after discontinuation of treatment with OPSUMIT. (notice Macitentan, Mises en garde et précautions)

Examples: Thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (notice Metformine, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

Counsel women to use an alternative method of contraception or a back-up method when enzyme inducers are used with COCs, and to continue back-up contraception for 28 days after discontinuing the enzyme inducer to ensure contraceptive reliability. (notice Norgestrel et éthinylestradiol, Interactions médicamenteuses)

Moderate and weak CYP3A4 inhibitors include alprozalam, ameprenavir, amiodarone, aprepitant, atazanavir, cimetidine, cyclosporine, diltiazem, erythromycin, fluconazole, fluoxetine, isoniazid, oral contraceptives, quinuprestin/dalfopristin, valproic acid, and verapamil. (notice Nimodipine, Interactions médicamenteuses)

Interference with Laboratory Tests The use of contraceptive steroids may influence the results of certain laboratory tests, such as coagulation factors, lipids, glucose tolerance, and binding proteins. (notice Norgestrel et éthinylestradiol, Précautions)

…performed, the following concomitant drugs were used in at least 10% of patients in either or both Sjogren's efficacy studies: acetylsalicylic acid, artificial tears, calcium, conjugated estrogens, hydroxychloroquine sulfate, ibuprofen, levothyroxine sodium, medroxyprogesterone acetate, methotrexate, multivitamins, naproxen, omeprazole, paracetamol, and prednisone. (notice Pilocarpine, Interactions médicamenteuses)

These drugs include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (notice Pioglitazone et metformine, Interactions médicamenteuses)

No pharmacokinetic interactions were observed between LYRICA and carbamazepine, gabapentin, lamotrigine, oral contraceptive, phenobarbital, phenytoin, topiramate, and valproic acid. (notice Prégabaline, Interactions médicamenteuses)

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

These medications include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs, and isoniazid. (notice Saxagliptine et metformine, Interactions médicamenteuses)

Examples: Thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blockers, and isoniazid. (notice Sitagliptine et metformine, Interactions médicamenteuses)

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

Concurrent use of tetracycline may render oral contraceptives less effective. (notice Tétracycline, Interactions médicamenteuses)

Oral Contraceptives Concurrent use of antibacterial drugs with oral contraceptives may render oral contraceptives less effective. (notice Tigécycline, Interactions médicamenteuses)

Oral Contraceptives In vivo studies have revealed no effect of ziprasidone on the pharmacokinetics of estrogen or progesterone components. (notice Ziprasidone, Interactions médicamenteuses)

No significant interactions with digoxin, hydrochlorothiazide, hydralazine, sulfinpyrazone, oral contraceptives, tolbutamide, or warfarin have been observed. (notice Acébutolol, Interactions médicamenteuses)

Another study showed that alosetron had no clinically significant effect on plasma concentrations of the oral contraceptive agents ethinyl estradiol and levonorgestrel (CYP3A4 substrates). (notice Alosétron, Interactions médicamenteuses)

Combination oral contraceptives Darifenacin (10 mg three times daily) had no effect on the pharmacokinetics of the combination oral contraceptives containing levonorgestrel and ethinyl estradiol [see Clinical Pharmacology (12.3)] . (notice Darifénacine, Interactions médicamenteuses)

Other Drugs: In healthy volunteers, amlodipine, phenytoin, glyburide, ranitidine, omeprazole, hormone replacement therapy (a combination of conjugated estrogens and medroxyprogesterone), antacid (aluminum and magnesium hydroxides), and theophylline did not affect the pharmacokinetics of dofetilide. (notice Dofétilide, Interactions médicamenteuses)

…clinically significant changes in concentration were observed for the following agents when co-administered with doravirine: dolutegravir, lamivudine, TDF, elbasvir and grazoprevir, ledipasvir and sofosbuvir, atorvastatin, an oral contraceptive containing ethinyl estradiol and levonorgestrel, metformin, methadone, and midazolam [see Clinical Pharmacology (12.3) ] . (notice Doravirine, Interactions médicamenteuses)

No clinically significant drug interactions have been either observed or are expected when DESCOVY is combined with the following drugs: buprenorphine, itraconazole, ketoconazole, lorazepam, methadone, midazolam, naloxone, norbuprenorphine, norgestimate/ethinyl estradiol, and sertraline. (notice Emtricitabine et ténofovir, Interactions médicamenteuses)

No clinically significant drug interactions have been observed between RPV and the following medications: acetaminophen, atorvastatin, chlorzoxazone, ethinyl estradiol, ledipasvir/sofosbuvir, norethindrone, sildenafil, simeprevir, sofosbuvir, sofosbuvir/velpatasvir, sofosbuvir/velpatasvir/voxilaprevir, or TDF. (notice Emtricitabine, rilpivirine et ténofovir, Interactions médicamenteuses)

Oral Contraceptives In the presence of fesoterodine, there are no clinically significant changes in the plasma concentrations of combined oral contraceptives containing ethinyl estradiol and levonorgestrel [see Clinical Pharmacology (12.3) ] . (notice Fésotérodine, Interactions médicamenteuses)

…sofosbuvir is used with the following drugs [see Clinical Pharmacology (12.3) ]: abacavir, atazanavir/ritonavir, cyclosporine, darunavir/ritonavir, dolutegravir, efavirenz, elvitegravir/cobicistat/emtricitabine/tenofovir alafenamide, emtricitabine, lamivudine, methadone, midazolam, oral contraceptives, pravastatin, raltegravir, rilpivirine, tacrolimus, or verapamil. (notice Lédipasvir et sofosbuvir, Interactions médicamenteuses)

No dose adjustment is needed when SINGULAIR is co-administered with theophylline, prednisone, prednisolone, oral contraceptives, fexofenadine, digoxin, warfarin, gemfibrozil, itraconazole, thyroid hormones, sedative hypnotics, non-steroidal anti-inflammatory agents, benzodiazepines, decongestants, and Cytochrome P450 (CYP) enzyme inducers [see Clinical Pharmacology… (notice Montélukast, Interactions médicamenteuses)

Drugs without Clinically Significant Interactions with ISENTRESS In drug interaction studies, raltegravir did not have a clinically meaningful effect on the pharmacokinetics of the following: hormonal contraceptives, methadone, lamivudine, tenofovir, etravirine, darunavir/ritonavir, or boceprevir. (notice Raltégravir, Interactions médicamenteuses)

Oral contraceptives : In a study of concurrent administration of an oral contraceptive during 6 days of administration of MAXALT (10-30 mg/day) in healthy female volunteers (n=18), rizatriptan did not affect plasma concentrations of ethinyl estradiol or norethindrone. (notice Rizatriptan, Interactions médicamenteuses)

…clinically significant drug interactions have been observed with the following drugs [see Clinical Pharmacology (12.3) ]: VOSEVI: cobicistat, darunavir, elvitegravir, emtricitabine, ethinyl estradiol/norgestimate, gemfibrozil, rilpivirine, ritonavir, tenofovir alafenamide, voriconazole Sofosbuvir/velpatasvir: dolutegravir, ketoconazole, raltegravir Sofosbuvir:… (notice Sofosbuvir et velpatasvir, Interactions médicamenteuses)

Oral Contraceptives : Multiple dose administration of tiagabine (8 mg/day monotherapy) did not alter the pharmacokinetics of oral contraceptives in healthy women of child-bearing age. (notice Tiagabine, Interactions médicamenteuses)

In a single-blind, parallel-group, 3-week study in 39 healthy female subjects taking oral contraceptives, 40 mg twice daily of zafirlukast had no significant effect on ethinyl estradiol plasma concentrations or contraceptive efficacy. (notice Zafirlukast, Précautions)

Other Concomitant Drug Therapy Drug-drug interaction studies conducted in healthy subjects between zileuton immediate-release tablets and prednisone and ethinyl estradiol (oral contraceptive), drugs known to be metabolized by the CYP3A4 isoenzyme, have shown no significant interaction. (notice Zileuton, Interactions médicamenteuses)