interferon beta 1a - injection, Avonex (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.There is a risk of contracting a virus from using this medication because it contains albumin from human blood. Careful screening of blood donors, special manufacturing methods, and FDA-approved tests are all used to reduce such a risk. For more details, talk to your doctor.Before using this medication, tell your doctor or pharmacist your medical history, especially of: mental/mood disorders (e.g., depression, psychosis, suicidal thoughts), heart disease (e.g., angina, congestive heart failure, arrhythmia), seizures, thyroid disease, liver disease, decreased bone marrow function.Limit your intake of alcohol while on this medication. Ask your doctor or pharmacist about the safe use of alcohol while using this drug.This medication is not recommended for use during pregnancy. Consult your doctor for more details.It is unknown if 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: hydroxyurea, telbivudine, theophylline, other drugs/herbals which may be harmful to your liver (e.g., isoniazid, kava, methotrexate, nefazodone).
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.
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