interferon alfa(con) - injection, Alferon N, Infergen, Intron A, (cont.)
PRECAUTIONS: See also Warning section.Before using interferon alfa, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as albumin), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: severe liver conditions (e.g., autoimmune hepatitis, decompensated liver disease).Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood cell disorders (e.g., anemia, neutropenia, thrombocytopenia), cancer, diabetes, eye problems, heart disease (e.g., angina, irregular heartbeat), high blood pressure, HIV infection, immune system diseases (e.g., lupus, psoriasis, rheumatoid arthritis), intestinal disease (e.g., colitis), kidney disease, liver disease, lung diseases (e.g., chronic obstructive pulmonary disease-COPD, asthma, pneumonia), mental/mood disorders (e.g., anxiety, depression), high blood triglyceride levels, pancreatitis, seizure disorder, thyroid disease, use/abuse of drugs/alcohol.This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.Do not have immunizations/vaccinations without the consent of your doctor, and avoid contact with people who have recently received oral polio vaccine or flu vaccine inhaled through the nose. Wash your hands well to prevent the spread of infections.To lower your risk of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports.Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).Children may be more sensitive to the side effects of this drug, especially mental/mood changes (such as severe depression, thoughts/attempts of suicide). Interferon and ribavirin may also slow down a child's rate of growth. Normal weight gain and rate of growth usually return after treatment is completed but the final adult height may be lower than expected. Monitor your child's height and weight periodically during treatment.Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug, especially dizziness, mental/mood changes, and effects on the heart.This medication is not recommended for use during pregnancy due to possible harm to an unborn baby and the risk of serious side effects for the pregnant woman. If you become pregnant or think you may be pregnant, tell your doctor immediately. To avoid pregnancy, both males and females using this drug must use reliable form(s) of birth control (e.g., condoms, birth control pills) during treatment with this drug. Talk with your doctor about effective forms of birth control.It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.
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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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