Indications for ORTHO MICRONOR:
Continuous regimen: 1 tab daily.
Premenarchal: not recommended.
Known or suspected breast carcinoma. Undiagnosed abnormal genital bleeding. Liver tumors. Acute liver disease. Pregnancy (Cat.X).
Cigarette smoking. Ectopic pregnancy (monitor). Increased risk of breast cancer. Do physical exams at least annually. Monitor carbohydrate and lipid metabolism. Discontinue if migraine or other serious headaches occur. Use back-up contraception for 48hrs if taken 3hrs or more late. Nursing mothers: if not exclusively breastfeeding may start 3 weeks after delivery; if fully breastfeeding may start 6 weeks after delivery.
Antagonized by hepatic enzyme-inducing drugs (eg, phenytoin, carbamazepine, barbiturates, rifampin, St. John's Wort, bosentan). May affect lab tests (eg, sex hormone binding globulins, thyroid).
Menstrual irregularities, frequent or irregular bleeding, headache, breast tenderness, nausea, dizziness; delayed follicular atresia, ovarian cysts, androgenic effects (rare).