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Pegylated Interferon Alpha 2A

Written By Dr. Anuj SainiReviewed By Dr. Rajeev Sharma
Last updated 25 Nov 2025 | 09:34 AM (UTC)

Pegylated Interferon Alpha 2A Uses

Pegylated Interferon Alpha 2A is used in the treatment of chronic hepatitis C virus (HCV) infection and Hepatitis B virus (HBV) infection.

How Pegylated Interferon Alpha 2A works

Pegylated Interferon Alpha 2A modulates the body's immune system.

Common side effects of Pegylated Interferon Alpha 2A

Headache, Joint pain, Muscle pain, Vomiting, Nausea, Hair loss, Rigors, Decreased appetite, Fatigue, Diarrhea, Rash, Dizziness, Blurred vision, Fever, Abdominal pain, Dryness in mouth, Insomnia (difficulty in sleeping), Cough, Impaired concentration, Injection site reaction, Pain, Decreased level of thyroid hormones, Lymphopenia, Anemia (low number of red blood cells), Decreased white blood cell count (neutrophils), Low blood platelets, Weight loss, Irritability, Itching, Dermatitis, Dry skin
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Expert advice for Pegylated Interferon Alpha 2A

  • Pegylated Interferon Alpha 2A helps treat chronic hepatitis B in adults.
  • It may also be used in combination with other medicines for the treatment of chronic hepatitis C.
  • Do not drive or do anything that requires mental focus until you know how it affects you.
  • Use a reliable contraceptive method to prevent pregnancy while you are taking this medicine and 4 months after stopping the treatment.
  • Your doctor may get regular blood tests done to monitor your blood cells, liver and thyroid function, and lipid levels during treatment with this medicine.
  • Inform your doctor immediately if you notice any signs of infection such as fever, sore throat or rash.
  • Inform your doctor if you notice any changes in your behavior, mood or vision.