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interferon beta 1a injection - subcutaneous, Rebif (cont.)

PRECAUTIONS: Before using interferon, tell your doctor or pharmacist if you are allergic to it; or to other ingredients that may be in your brand (such as albumin); or if you have any other allergies.Some brands of this medication contain albumin made from human blood. Even though the blood is carefully tested, and this medication goes through a special manufacturing process, there is an extremely small chance that you may get infections from the medication (for example viruses such as hepatitis). Consult your doctor or pharmacist for more information.Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood problems (e.g., anemia, low platelets, low white blood cells), heart disease (e.g., heart failure, irregular heartbeat), liver disease, mental/mood disorders (e.g., depression, psychosis, suicidal thoughts), seizures, thyroid disease, history of alcohol dependence.Limit alcoholic beverages while using this medication. Ask your doctor or pharmacist about how to drink alcohol safely while using this drug.This medication is not recommended for use during pregnancy. It may harm the unborn baby. If you become pregnant or think you may be pregnant, inform your doctor immediately. Consult your doctor for more details.It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: other drugs that may suppress your immune system (e.g., azathioprine, cyclosporine, prednisone, hydroxyurea), other drugs/herbals that may harm your liver (e.g., isoniazid, kava, methotrexate, nefazodone), telbivudine, theophylline.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.



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