PegIntron comes as an injection that is given just under the skin (subcutaneously) every week for up to 48 weeks. It is a manufactured version of interferon, which is a naturally occurring protein in the body. Interferons are released in response to certain situations, such as viral infections. PegIntron works to fight the
hepatitis C virus by activating the body's own response to viruses.
Many people who use this drug will likely develop some type of side effect. However, in most cases, reactions tend to be mild and easily treated. Some of the common side effects of PegIntron include fatigue,
headaches, and muscle pain.
(Click PegIntron for more details on what PegIntron is and how it works. This full-length article also discusses generic availability, general dosing guidelines, possible safety concerns, and more.)