Avonex (interferon beta-1a) helps to decrease the number of multiple sclerosis attacks and to slow physical disability in people with relapsing forms of the disease. The medicine does not cure multiple sclerosis. Avonex is more popular than comparable drugs. There are currently no generic alternatives for Avonex.

GoodRx has partnered with InsideRx and Biogen to reduce the price for this prescription. Check our savings tips for co-pay cards, assistance programs, and other ways to reduce your cost. Avonex is covered by some Medicare and insurance plans.

With the Patient Assistance Program from Biogen, contact the program to see how they can financially help you out.