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PRECAUTIONS: Tell your doctor your medical history, including: liver disease, eye problems, diabetes, heart disease, any allergies (especially drug allergies). It is recommended that persons using this medication not donate blood for at least three years after stopping therapy. This will prevent the possibility of your blood being given to a pregnant woman. This drug should not be used during pregnancy. If you become pregnant or think you may be pregnant, inform your doctor immediately. Avoid pregnancy while using this drug, and for an extended period after treatment stops. Consult your doctor. Use two reliable forms of birth control together, starting one month before treatment, during and for an extended period after treatment stops. Consult your doctor. Semen may pose a risk to a pregnant woman if the male is using this drug. Consult your doctor. This drug is excreted into breast milk. Use of this medication is not recommended while breast-feeding. Consult your doctor.

DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take, especially: any vitamin products or vitamin A supplements. Do not start or stop any medicine without doctor or pharmacist approval.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

NOTES: Periodic lab tests and eye exams will be done to monitor the effectiveness of this therapy.

MISSED DOSE: If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom.

Report Problems to the Food and Drug Administration   You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.