Wechselwirkungen von Levonorgestrel und Ethinylestradiol

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). (Fachinformation zu Acitretin, Boxed Warning (umrahmter Warnhinweis))

Estrogen Estrogen-containing therapies should not be used with ARIMIDEX as they may diminish its pharmacological action. (Fachinformation zu Anastrozol, Arzneimittelwechselwirkungen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…neurological 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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

Administration with Estrogen-Containing Agents EXEMESTANE should not be coadministered with systemic estrogen-containing agents as these could interfere with its pharmacologic action. (Fachinformation zu Exemestan, Warnhinweise und Vorsichtsmaßnahmen)

…neurological 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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

Women taking estrogen-containing oral contraceptives may be at increased risk of becoming pregnant while on griseofulvin (see also PRECAUTIONS, Drug Interactions ) . (Fachinformation zu Griseofulvin, Gegenanzeigen)

Johanniskraut kann die Wirksamkeit der Antibabypille verringern. (NCCIH, St. John's Wort)

…neurological 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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…neurological 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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…cirrhosis [see Warnings and Precautions (5.2) ] Undiagnosed abnormal uterine bleeding [see Warnings and Precautions (5.8) ] Use of hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT elevations [see Warnings and Precautions (5.14) ] High risk of arterial or venous thrombotic diseases. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

• is capable of complying with effective contraceptive measures. (Fachinformation zu Misoprostol, Boxed Warning (umrahmter Warnhinweis))

Sensitive CYP3A substrates including hormonal contraceptives: Avoid concomitant use with substrates that have narrow therapeutic index. (Fachinformation zu Mitapivat, Arzneimittelwechselwirkungen)

Hormonal contraceptives: Avoid concomitant use with LYSODREN. (Fachinformation zu Mitotan, Arzneimittelwechselwirkungen)

…cirrhosis [see Warnings and Precautions (5.2) ] Undiagnosed abnormal uterine bleeding [see Warnings and Precautions (5.8) ] Use of hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT elevations [see Warnings and Precautions (5.14) ] High risk of arterial or venous thrombotic diseases. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

…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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

Concomitant Use with Systemic Estrogens : Not recommended. (Fachinformation zu Raloxifen, Warnhinweise und Vorsichtsmaßnahmen)

…cirrhosis [see Warnings and Precautions (5.2) ] Undiagnosed abnormal uterine bleeding [see Warnings and Precautions (5.8) ] Use of hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT elevations [see Warnings and Precautions (5.14) ] High risk of arterial or venous thrombotic diseases. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS Cigarette smoking increases the risk of serious cardiovascular events from combined hormonal contraceptive (CHC) use. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Boxed Warning (umrahmter Warnhinweis))

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. (Fachinformation zu Tizanidin, Arzneimittelwechselwirkungen)

Concomitant use of combined hormonal contraceptives ( 4.1 ) (Fachinformation zu Tranexamsäure, Gegenanzeigen)

…neurological 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… (Fachinformation zu Levonorgestrel und Ethinylestradiol, Gegenanzeigen)

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. (Fachinformation zu Voriconazol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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… (Fachinformation zu Alogliptin und Metformin, Arzneimittelwechselwirkungen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Substances increasing the systemic exposure of CHCs: Co-administration of atorvastatin or rosuvastatin and CHCs containing ethinyl estradiol increase systemic exposure of ethinyl estradiol by approximately 20 to 25 percent. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Amoxicillin may reduce the efficacy of oral contraceptives. (Fachinformation zu Amoxicillin, Arzneimittelwechselwirkungen)

Amoxicillin and Clavulanate Potassium Extended Release Tablets may reduce efficacy of oral contraceptives. (Fachinformation zu Amoxicillin und Clavulansäure, Arzneimittelwechselwirkungen)

Oral Contraceptives : May be less effective and increased breakthrough bleeding may occur. (Fachinformation zu Ampicillin, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

John's wort, and certain protease inhibitors (see separate section on protease inhibitors below). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Substances increasing the systemic exposure of CHCs: Co-administration of atorvastatin or rosuvastatin and CHCs containing ethinyl estradiol increase systemic exposure of ethinyl estradiol by approximately 20 to 25 percent. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Oral Contraceptives: Decreased efficacy possibly resulting in pregnancy; use a different or additional form of contraception. (Fachinformation zu Bismutsubcitrat, Metronidazol und Tetracyclin, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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 )] . (Fachinformation zu Cabotegravir, Arzneimittelwechselwirkungen)

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). (Fachinformation zu Calciumchlorid, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Chinin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Choriogonadotropin alfa, Warnhinweise)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Colesevelam Clinical effect Concomitant use of CHCs with colesevelam significantly decreases systemic exposure of ethinyl estradiol [see Clinical Pharmacology (12.3) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Drug Interactions Cholestyramine for Oral Suspension USP may delay or reduce the absorption of concomitant oral medication such as phenylbutazone, warfarin, thiazide diuretics (acidic), or propranolol (basic), as well as tetracycline, penicillin G, phenobarbital, thyroid and thyroxine preparations, estrogens and progestins, and digitalis. (Fachinformation zu Colestyramin, Arzneimittelwechselwirkungen)

John's wort, and certain protease inhibitors (see separate section on protease inhibitors below). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

John's wort, and certain protease inhibitors (see separate section on protease inhibitors below). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Deutetrabenazin, Warnhinweise und Vorsichtsmaßnahmen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

…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 )] . (Fachinformation zu Dolutegravir, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

For patients with CF taking hormonal contraceptives who develop rash, consider interrupting TRIKAFTA and hormonal contraceptives. (Fachinformation zu Elexacaftor, Tezacaftor und Ivacaftor, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

In contrast, significant increases in systemic exposure of the estrogen and/or progestin have been noted when CHCs are co-administered with certain other HIV protease inhibitors (e.g., indinavir and atazanavir/ritonavir) and with other non-nucleoside reverse transcriptase inhibitors (e.g., etravirine). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Effects of Felbatol ® on Low-Dose Combination Oral Contraceptives A group of 24 nonsmoking, healthy white female volunteers established on an oral contraceptive regimen containing 30 µg ethinyl estradiol and 75 µg gestodene for at least 3 months received 2400 mg/day of felbamate from midcycle (day 15) to midcycle (day 14) of two consecutive oral contraceptive… (Fachinformation zu Felbamat, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Flibanserin, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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) ] . (Fachinformation zu Follitropin, Warnhinweise und Vorsichtsmaßnahmen)

John's wort, and certain protease inhibitors (see separate section on protease inhibitors below). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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). (Fachinformation zu Gabapentin, Arzneimittelwechselwirkungen)

…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. (Fachinformation zu Glimepirid, Arzneimittelwechselwirkungen)

…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),… (Fachinformation zu Glipizid, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Goserelin, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

…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),… (Fachinformation zu Insulin aspart, Arzneimittelwechselwirkungen)

…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),… (Fachinformation zu Insulin degludec, Arzneimittelwechselwirkungen)

…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),… (Fachinformation zu Insulin detemir, Arzneimittelwechselwirkungen)

…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),… (Fachinformation zu Insulin glargin, Arzneimittelwechselwirkungen)

…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),… (Fachinformation zu Insulin lispro, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Plasma cholinesterase activity may be decreased by chronic administration of certain monoamine oxidase inhibitors, oral contraceptives, glucocorticoids, antimyasthenics (neostigmine), cyclophosphamide, and possibly thiotepa. (Fachinformation zu Kokain, Arzneimittelwechselwirkungen)

Table 4 Significant Drug Interaction Information for Drugs Co-Administered with CHCs Lamotrigine Clinical effect Concomitant use of CHCs with lamotrigine may significantly decrease systemic exposure of lamotrigine due to induction of lamotrigine glucuronidation [see Clinical Pharmacology (12.3) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Teriflunomide may increase exposure of ethinylestradiol and levonorgestrel. (Fachinformation zu Leflunomid, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Lenalidomid, Warnhinweise und Vorsichtsmaßnahmen)

The dose of replacement thyroid hormone or cortisol therapy may need to be increased. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Warnhinweise und Vorsichtsmaßnahmen)

The dose of replacement thyroid hormone or cortisol therapy may need to be increased. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Warnhinweise und Vorsichtsmaßnahmen)

The dose of replacement thyroid hormone or cortisol therapy may need to be increased. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Warnhinweise und Vorsichtsmaßnahmen)

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) ]. (Fachinformation zu Lomitapid, Warnhinweise und Vorsichtsmaßnahmen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Mycophenolate mofetil may reduce effectiveness of oral contraceptives. (Fachinformation zu Mycophenolat, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

…and/or progestin have been noted when CHCs are co-administered with some HIV protease inhibitors (e.g., nelfinavir, ritonavir, darunavir/ritonavir, (fos)amprenavir/ritonavir, lopinavir/ritonavir, and tipranavir/ritonavir), some HCV protease inhibitors (e.g., boceprevir and telaprevir), and some non-nucleoside reverse transcriptase inhibitors (e.g., nevirapine). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Nintedanib, Warnhinweise und Vorsichtsmaßnahmen)

Levonorgestrel Clinical Impact: Concomitant administration of MYCAPSSA with levonorgestrel decreases levonorgestrel bioavailability [see Clinical Pharmacology (‎12.3) ] . (Fachinformation zu Octreotid, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

…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. (Fachinformation zu Pioglitazon und Glimepirid, Arzneimittelwechselwirkungen)

Sensitive CYP3A4 Substrates (including hormonal contraceptives): WAKIX may reduce effectiveness of sensitive CYP3A4 substrates. (Fachinformation zu Pitolisant, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Pomalidomid, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

The dose of replacement thyroid hormone or cortisol therapy may need to be increased. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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) ]. (Fachinformation zu Riluzol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Roflumilast, Arzneimittelwechselwirkungen)

Estrogens Population pharmacokinetic analysis revealed that higher doses of estrogens (usually associated with hormone replacement therapy) reduced the clearance of ropinirole. (Fachinformation zu Ropinirol, Arzneimittelwechselwirkungen)

Substances increasing the systemic exposure of CHCs: Co-administration of atorvastatin or rosuvastatin and CHCs containing ethinyl estradiol increase systemic exposure of ethinyl estradiol by approximately 20 to 25 percent. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Oral Estrogen Clinical Impact: Oral estrogens may reduce the serum IGF-1 response to HUMATROPE. (Fachinformation zu Somatropin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Sugammadex, Arzneimittelwechselwirkungen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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) ]. (Fachinformation zu Suxamethonium, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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… (Fachinformation zu Tacrolimus, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Tamoxifen, Warnhinweise und Vorsichtsmaßnahmen)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Teriflunomide may increase exposure of ethinylestradiol and levonorgestrel. (Fachinformation zu Teriflunomid, Arzneimittelwechselwirkungen)

The dose of replacement thyroid hormone or cortisol therapy may need to be increased. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Tetrabenazin, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

The dose of replacement thyroid hormone or cortisol therapy may need to be increased. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Tirzepatid, Arzneimittelwechselwirkungen)

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

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Ascorbic acid and acetaminophen may increase systemic exposure of ethinyl estradiol, possibly by inhibition of conjugation. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Thyroid Hormone Replacement Therapy or Corticosteroid Replacement Therapy Clinical effect Concomitant use of CHCs with thyroid hormone replacement therapy or corticosteroid replacement therapy may increase systemic exposure of thyroid-binding and cortisol-binding globulin [see Warnings and Precautions (5.11) ]. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Advise women to follow the instructions on the initiation or resumption of hormonal contraceptives after ella intake [see Dosage and Administration(2.2) ]. (Fachinformation zu Ulipristal, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Ursodesoxycholsäure, Arzneimittelwechselwirkungen)

Aspirin, carbapenem antibiotics, estrogen-containing hormonal contraceptives, methotrexate: Monitoring of valproate concentrations is recommended ( 7.1 ) (Fachinformation zu Valproat-Seminatrium (Divalproex), Arzneimittelwechselwirkungen)

Aspirin, carbapenem antibiotics, estrogen-containing hormonal contraceptives: Monitoring of valproate concentrations is recommended (7.1) (Fachinformation zu Valproinsäure, Arzneimittelwechselwirkungen)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

…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,… (Fachinformation zu Warfarin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Acarbose, Arzneimittelwechselwirkungen)

Advise women of reproductive potential to use effective birth control for the duration of ALBENZA therapy and for one month after end of therapy. (Fachinformation zu Albendazol, Warnhinweise und Vorsichtsmaßnahmen)

Drug products which may be affected include oral or other systemic hormonal contraceptives. (Fachinformation zu Bexaroten, Arzneimittelwechselwirkungen)

Drugs that may cause hypercalcemia: Vitamin D, vitamin A, thiazide diuretics, estrogen, calcipotriene and teriparatide administration may cause hypercalcemia. (Fachinformation zu Calciumgluconat, Arzneimittelwechselwirkungen)

Moderate or weak CYP1A2 inhibitors include oral contraceptives and caffeine. (Fachinformation zu Clozapin, Arzneimittelwechselwirkungen)

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

Concurrent use of tetracyclines with oral contraceptives may render oral contraceptives less effective. (Fachinformation zu Demeclocyclin, Arzneimittelwechselwirkungen)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (Fachinformation zu Dihydroergotamin, Arzneimittelwechselwirkungen)

Concurrent use of tetracyclines, including doxycycline hyclate may render oral contraceptives less effective. (Fachinformation zu Doxycyclin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Empagliflozin und Metformin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Exenatid, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Glibenclamid, Arzneimittelwechselwirkungen)

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

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

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. (Fachinformation zu Humaninsulin (Normalinsulin), Arzneimittelwechselwirkungen)

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 )]. (Fachinformation zu Isotretinoin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Levetiracetam, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Linagliptin und Metformin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Macitentan, Warnhinweise und Vorsichtsmaßnahmen)

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

Examples Aprepitant, barbiturates, bosentan, carbamazepine, efavirenz, felbamate, griseofulvin, oxcarbazepine, phenytoin, rifampin, primidone, phenylbutazone, rifabutin, rufinamide, topiramate, products containing St. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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). (Fachinformation zu Natrium-Zirconium-Cyclosilicat, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Nimodipin, Arzneimittelwechselwirkungen)

Examples Aprepitant, barbiturates, bosentan, carbamazepine, efavirenz, felbamate, griseofulvin, oxcarbazepine, phenytoin, rifampin, primidone, phenylbutazone, rifabutin, rufinamide, topiramate, products containing St. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

…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. (Fachinformation zu Pilocarpin, Arzneimittelwechselwirkungen)

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

No pharmacokinetic interactions were observed between LYRICA and carbamazepine, gabapentin, lamotrigine, oral contraceptive, phenobarbital, phenytoin, topiramate, and valproic acid. (Fachinformation zu Pregabalin, Arzneimittelwechselwirkungen)

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

Hormone Therapy Concomitant use of Risedronate sodium delayed-release with estrogens and estrogen agonist/antagonists has not been studied. (Fachinformation zu Risedronsäure, Arzneimittelwechselwirkungen)

Examples Aprepitant, barbiturates, bosentan, carbamazepine, efavirenz, felbamate, griseofulvin, oxcarbazepine, phenytoin, rifampin, primidone, phenylbutazone, rifabutin, rufinamide, topiramate, products containing St. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Saxagliptin und Metformin, Arzneimittelwechselwirkungen)

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

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

Concurrent use of tetracycline may render oral contraceptives less effective. (Fachinformation zu Tetracyclin, Arzneimittelwechselwirkungen)

Oral Contraceptives Concurrent use of antibacterial drugs with oral contraceptives may render oral contraceptives less effective. (Fachinformation zu Tigecyclin, Arzneimittelwechselwirkungen)

Oral Contraceptives In vivo studies have revealed no effect of ziprasidone on the pharmacokinetics of estrogen or progesterone components. (Fachinformation zu Ziprasidon, Arzneimittelwechselwirkungen)

No significant interactions with digoxin, hydrochlorothiazide, hydralazine, sulfinpyrazone, oral contraceptives, tolbutamide, or warfarin have been observed. (Fachinformation zu Acebutolol, Arzneimittelwechselwirkungen)

Another study showed that alosetron had no clinically significant effect on plasma concentrations of the oral contraceptive agents ethinyl estradiol and levonorgestrel (CYP3A4 substrates). (Fachinformation zu Alosetron, Arzneimittelwechselwirkungen)

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)] . (Fachinformation zu Darifenacin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Dofetilid, Arzneimittelwechselwirkungen)

…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) ] . (Fachinformation zu Doravirin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Emtricitabin und Tenofovir, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Emtricitabin, Rilpivirin und Tenofovir, Arzneimittelwechselwirkungen)

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) ] . (Fachinformation zu Fesoterodin, Arzneimittelwechselwirkungen)

…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. (Fachinformation zu Ledipasvir und Sofosbuvir, Arzneimittelwechselwirkungen)

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… (Fachinformation zu Montelukast, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Raltegravir, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Rizatriptan, Arzneimittelwechselwirkungen)

…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:… (Fachinformation zu Sofosbuvir und Velpatasvir, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Tiagabin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Zafirlukast, Vorsichtsmaßnahmen)

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. (Fachinformation zu Zileuton, Arzneimittelwechselwirkungen)