What are the possible side effects of Intron A (Interferon Alfa 2b)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using interferon alfa-2b and call your doctor at once if you have a serious side effect such as: severe depression, aggressive behavior, or thoughts of hurting yourself or others fast, slow, or uneven heart rate feeling like you might pass out fever, chills, body aches, flu symptoms pale skin, easy bruising or bleeding, unusual weakness vision or hearing problems urinating less than ususal or not at all severe stomach pain, jaundice (yellowing of the skin or eyes) cough with yellow or green mucus, feeling short of breath chest pain, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling sudden numbness or weakness, headache, confusion, or problems with vision, speech, or balance; or a severe blistering, peeling, and red skin rash Less serious side effects may include: dizziness, spinning sensation head
