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DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription drugs you may use, especially of: aspirin or aspirin-like drugs (salicylates), anabolic steroids, barbiturates, clofibrate, phenylbutazone, disulfiram, cimetidine, sulfa-drugs, metronidazole, vitamin E, cholestyramine, phenytoin, erythromycin-like antibiotics, propylthiouracil, injectable antibiotics, griseofulvin, ethchlorvynol, quinidine, quinine, thyroid medication, allopurinol, glucagon, rifampin, glutethimide, aminoglutethimide, chloramphenicol, carbamazepine, vitamin K (or its derivatives), dextrothyroxine, anti-inflammatory medication used for arthritis or fever reduction, birth control pills, dong quai, ginkgo biloba, ginseng. 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. Symptoms of overdose may include bleeding, unusually fast heartbeat, dizziness, nausea/vomiting, diarrhea, or stomach pain.

NOTES: While taking this medication, be extra careful to avoid injuries. This medication can cause heavy bleeding. Use an electric razor and be careful brushing your teeth. Do not allow anyone else to take your medication.

MISSED DOSE: If you miss a dose, take as soon as remembered; do not take if it is almost 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. Keep a record of missed doses to give to your doctor. Call your doctor if you miss 2 or more doses.

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

MEDICAL ALERT: Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).

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.