Peginterferon alfa-2a is a long-acting interferon given by weekly injection. It boosts the immune system's response to viruses.

What Peginterferon Alfa-2a Is Used For

Chronic hepatitis B
Chronic hepatitis C, in combination treatment
Some blood disorders, under specialist care

Common Side Effects

Flu-like symptoms: fever, chills, aches
Tiredness
Low mood or irritability
Hair thinning
Low blood counts

Precautions

Peginterferon needs regular blood tests and close monitoring. Report depression or thoughts of self-harm straight away. It is not suitable in pregnancy or with certain liver, heart or autoimmune conditions.

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.