Peginterferon Alfa-2a Information
A healthcare provider may prescribe peginterferon alfa-2a (Pegasys®) to treat chronic hepatitis C infections in adults and children as young as five years old. This medicine is also licensed for the treatment of chronic hepatitis B in adults age 18 and older. It works by activating the body's response to viruses.
Peginterferon alfa-2a comes in the form of an injection that is given once a week for 24 to 48 weeks. It is given just under the skin (subcutaneously).
Before starting treatment with peginterferon alfa-2a, review the medication's safety information with your healthcare provider. For example, you may not be able to use this medicine if you have certain allergies or if you are pregnant or breastfeeding. Also, peginterferon alfa-2a may react with certain other medications, vitamins, or supplements.
(For more information, click Peginterferon Alfa-2a. This article offers a complete overview of this medication, including how it works, details on its safety and effectiveness, and dosing instructions.)