Tri-previfem

— THERAPEUTIC CATEGORIES —
  • Acne
  • Contraception

Tri-previfem Generic Name & Formulations

General Description

Norgestimate 0.18mg, ethinyl estradiol 35mcg (7 tabs); norgestimate 0.215mg, ethinyl estradiol 35mcg (7 tabs); norgestimate 0.25mg, ethinyl estradiol 35mcg (7 tabs); inert (7 tabs).

Pharmacological Class

Progestin + estrogen.

How Supplied

Packs—1

Manufacturer

Tri-previfem Indications

Indications

Moderate acne vulgaris in females ≥15 years of age, who have no known contraindications to oral contraceptive therapy, desire contraception, have achieved menarche, and are unresponsive to topical anti-acne medications.

Tri-previfem Dosage and Administration

Adult

1 tab daily for 28 days; repeat.

Children

Premenarche: not recommended.

Tri-previfem Contraindications

Contraindications

High risk of arterial or venous thrombotic disease (eg, smokers or migraineurs over age 35, history of DVT or thromboembolism, cerebrovascular or coronary artery disease, thrombogenic valvular disease, atrial fibrillation, subacute bacterial endocarditis, hypercoagulopathies, uncontrolled hypertension, diabetes with vascular disease, headaches with focal neurologic symptoms). Breast or other estrogen or progestin-sensitive neoplasms. Hepatic disease or tumors. Undiagnosed abnormal uterine bleeding. Pregnancy. Concomitant ombitasvir/paritaprevir/ritonavir, with or without dasabuvir.

Tri-previfem Boxed Warnings

Boxed Warning

Cigarette smoking increases risk of serious cardiovascular events.

Tri-previfem Warnings/Precautions

Warnings/Precautions

Increased risk of cardiovascular events (eg, stroke, MI) esp. in cigarette smokers >35yrs of age. Discontinue if thrombotic event, unexplained visual changes, or jaundice occurs, and at least 4 weeks before through 2 weeks after surgery associated with increased risk of thromboembolism, and during and after prolonged immobilization. Diabetes. Prediabetes. Uncontrolled dyslipidemias. Hypertriglyceridemia. Gallbladder disease. Pregnancy-related cholestasis. History of depression; monitor and discontinue if serious depression recurs. Evaluate significant changes in headaches, irregular uterine bleeding, amenorrhea. Do regular complete physical exams. Monitor BP; discontinue if significant rise occurs. May need barrier contraception with Sunday starts or postpartum use (see full labeling). Postmenopausal women or nursing mothers: not recommended.

Tri-previfem Pharmacokinetics

See Literature

Tri-previfem Interactions

Interactions

See Contraindications. ALT elevations with HCV regimen ombitasvir/paritaprevir/ritonavir, with or without dasabuvir; discontinue Tri-Previfem prior to starting HCV regimen and restart 2wks after completion. May be antagonized by phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, St. John’s wort; use backup contraception. May be potentiated by atorvastatin, rosuvastatin, acetaminophen, ascorbic acid, or CYP3A4 inhibitors (eg, itraconazole, ketoconazole, voriconazole, fluconazole, grapefruit juice). May be affected by HIV protease inhibitors. Concomitant colesevelam; give 4hrs apart. May antagonize acetaminophen, temazepam, salicylic acid, morphine, clofibric acid, lamotrigine. May potentiate cyclosporine, prednisolone, theophylline, tizanidine, voriconazole. May need dose adjustment of thyroid hormones. May affect lab tests (eg, coagulation factors, triglycerides, lipids, glucose tolerance, binding proteins, hormone binding globulins, serum folate).

Tri-previfem Adverse Reactions

Adverse Reactions

Headache/migraine, breast pain/discharge/enlargement, vaginal infection, abdominal/GI pain, mood disorders, genital discharge, weight changes; hypertension, chloasma, serious thromboembolic events, liver disease.

Tri-previfem Clinical Trials

See Literature

Tri-previfem Note

Not Applicable

Tri-previfem Patient Counseling

See Literature

Tri-previfem Generic Name & Formulations

General Description

Norgestimate 0.18mg, ethinyl estradiol 35mcg (7 tabs); norgestimate 0.215mg, ethinyl estradiol 35mcg (7 tabs); norgestimate 0.25mg, ethinyl estradiol 35mcg (7 tabs); inert (7 tabs).

Pharmacological Class

Progestin + estrogen.

How Supplied

Packs—1

Manufacturer

Tri-previfem Indications

Indications

Oral contraception.

Tri-previfem Dosage and Administration

Adult

1 tab daily for 28 days; repeat.

Children

Premenarche: not recommended.

Tri-previfem Contraindications

Contraindications

High risk of arterial or venous thrombotic disease (eg, smokers or migraineurs over age 35, history of DVT or thromboembolism, cerebrovascular or coronary artery disease, thrombogenic valvular disease, atrial fibrillation, subacute bacterial endocarditis, hypercoagulopathies, uncontrolled hypertension, diabetes with vascular disease, headaches with focal neurologic symptoms). Breast or other estrogen or progestin-sensitive neoplasms. Hepatic disease or tumors. Undiagnosed abnormal uterine bleeding. Pregnancy. Concomitant ombitasvir/paritaprevir/ritonavir, with or without dasabuvir.

Tri-previfem Boxed Warnings

Boxed Warning

Cigarette smoking increases risk of serious cardiovascular events.

Tri-previfem Warnings/Precautions

Warnings/Precautions

Increased risk of cardiovascular events (eg, stroke, MI) esp. in cigarette smokers >35yrs of age. Discontinue if thrombotic event, unexplained visual changes, or jaundice occurs, and at least 4 weeks before through 2 weeks after surgery associated with increased risk of thromboembolism, and during and after prolonged immobilization. Diabetes. Prediabetes. Uncontrolled dyslipidemias. Hypertriglyceridemia. Gallbladder disease. Pregnancy-related cholestasis. History of depression; monitor and discontinue if serious depression recurs. Evaluate significant changes in headaches, irregular uterine bleeding, amenorrhea. Do regular complete physical exams. Monitor BP; discontinue if significant rise occurs. May need barrier contraception with Sunday starts or postpartum use (see full labeling). Postmenopausal women or nursing mothers: not recommended.

Tri-previfem Pharmacokinetics

See Literature

Tri-previfem Interactions

Interactions

See Contraindications. ALT elevations with HCV regimen ombitasvir/paritaprevir/ritonavir, with or without dasabuvir; discontinue Tri-Previfem prior to starting HCV regimen and restart 2wks after completion. May be antagonized by phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, St. John’s wort; use backup contraception. May be potentiated by atorvastatin, rosuvastatin, acetaminophen, ascorbic acid, or CYP3A4 inhibitors (eg, itraconazole, ketoconazole, voriconazole, fluconazole, grapefruit juice). May be affected by HIV protease inhibitors. Concomitant colesevelam; give 4hrs apart. May antagonize acetaminophen, temazepam, salicylic acid, morphine, clofibric acid, lamotrigine. May potentiate cyclosporine, prednisolone, theophylline, tizanidine, voriconazole. May need dose adjustment of thyroid hormones. May affect lab tests (eg, coagulation factors, triglycerides, lipids, glucose tolerance, binding proteins, hormone binding globulins, serum folate).

Tri-previfem Adverse Reactions

Adverse Reactions

Headache/migraine, breast pain/discharge/enlargement, vaginal infection, abdominal/GI pain, mood disorders, genital discharge, weight changes; hypertension, chloasma, serious thromboembolic events, liver disease.

Tri-previfem Clinical Trials

See Literature

Tri-previfem Note

Not Applicable

Tri-previfem Patient Counseling

See Literature