I have been on Avonex for 17 years with only mild side effects such as headache, achy feeling for 24-36 hrs. Recently I have developed a red blotchy rash on my neck that itches. It show up about 18 hrs after injecting. I have not change anything related to cosmetics that could have been a factor.
- Avonex Information for Consumers
- Avonex Information for Healthcare Professionals (includes dosage details)
- Side Effects of Avonex (detailed)
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