Were you looking for more information about Pegasys? Pegisys is a common misspelling of Pegasys.
Pegasys® (peginterferon alfa-2a) is a medication that is available by prescription only and helps activate the body's response to fight the hepatitis B and C viruses. It comes as an injection that is given just under the skin (subcutaneously) once a week for 24 to 48 weeks.
To help ensure a safe treatment process, make sure to tell your healthcare provider about any other medical problems you might have (such as diabetes, lung problems, or any mood disorders), as well as any other medications, vitamins, or supplements you are taking. Side effects may include fever, muscle aches, and headaches.
(Click Pegasys for more information, including side effects to look out for during treatment and details on when and how to use the medication. You can also click any of the links in the box to the right for specific information.)