Avonex (interferon beta-1a) may not be safe to use while pregnant or breastfeeding. Certain factors may determine whether you should use the drug during this time. »Learn more about Avonex, including ...
Avonex is a prescription drug that treats relapsing forms of multiple sclerosis (MS) in adults, such as relapsing-remitting MS, active secondary progressive MS, and clinically isolated syndrome.
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