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DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: antivirals (e.g., acyclovir, ganciclovir, valganciclovir), azathioprine, cholestyramine, colestipol, live vaccines, natalizumab, rifampin.This medication may decrease the effectiveness of combination-type birth control pills by decreasing the amount of certain hormones in your system (impaired enterohepatic recirculation or hepatic induction). This can result in pregnancy. You may need to use an additional form of reliable birth control while using this medication. Consult your doctor or pharmacist for details.

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: Laboratory and/or medical tests (e.g., blood counts, drug levels, kidney function) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.Attend a transplant education class or support group. Learn to recognize the signs and symptoms of organ rejection. Get medical help right away if they occur.Avoid inhaling the powder, and avoid direct contact of the dry powder or the prepared liquid with the skin or mucus membranes. If contact should occur, wash thoroughly with soap and water; rinse eyes with plain water.

MISSED DOSE: For the best possible benefit, it is important to receive each scheduled dose of this medication as directed. If you miss a dose, contact your doctor or pharmacist immediately to establish a new dosing schedule.

STORAGE: Not applicable. This medication is given in a clinic and will not be stored at home.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.