Paroxetine’s generic name Polyethylene Glycol Interferon Alpha-2a Injection and Pegabine’s generic name Polyethylene Glycol Interferon Alpha-2b Injection are both commonly used clinically as common injections against Hepatitis B and Hepatitis C. Both may have lower side effects compared to Polyethylene Glycol Interferon alpha-2a Injection. 1. Polyethylene glycol interferon alpha-2a injection: it is a kind of interferon, which can treat chronic hepatitis B and chronic hepatitis B. The side effects are mainly fever, nausea and nausea. Side effects are mainly fever, nausea, fatigue, headache, etc. They usually disappear after 24 hours, and even rashes, etc. It is contraindicated for those who are allergic to this drug and autoimmune chronic hepatitis. 2. Polyethylene glycol interferon alpha-2b injection: it is a new type of long-acting interferon developed in China. There will be some side effects during treatment, mainly including flu-like symptoms, bone marrow suppression, skin rash, wasting, hair loss, autoantibody production and so on. It is contraindicated in people who are allergic to the active ingredient, alpha-interferon or any of the excipients of the product. It is important to follow the doctor’s instructions and read the directions carefully.