Interferon alfa-2a is a man-made version of a protein the immune system uses to fight viruses and abnormal cells. It is given by injection under specialist care.

What Interferon Alfa-2a Is Used For

Chronic hepatitis B and hepatitis C
Some cancers, such as some leukaemias and kidney cancer

Common Side Effects

Flu-like symptoms: fever, chills and aches
Tiredness
Loss of appetite
Low mood

Precautions

Tell your doctor about any history of depression, heart disease, thyroid or autoimmune problems. Regular blood tests are needed. Report low mood, thoughts of self-harm or vision changes straight away.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.