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

PRECAUTIONS: Before using interferon, tell your doctor or pharmacist if you are allergic to it; or to products containing human albumin; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.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: 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: 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.



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