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: Blood tests will be done frequently to determine dosing and evaluate the effectiveness of this medication.

MISSED DOSE: It is important that each dose be used as directed. If you miss a dose, contact your doctor to establish a new dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store the medication according to manufacturer's instructions. Check the expiration date on the label and properly discard any unused medication after that time.

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.