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AVONEX is a once-weekly treatment for relapsing multiple sclerosis (MS), offering you the flexibility to choose the day that works best for you. Talk to your healthcare provider to see if AVONEX may be right for you.
AVONEX is a 30 mcg intramuscular (into the muscle) self-injection, so you can take it in the comfort of your own home. AVONEX is available in one of 2 ways:
AVONEX PEN is a prefilled, single-dose autoinjector that lets you treat your relapsing MS in a single click. It includes a covered needle that's half the length of the standard needle for AVONEX prefilled syringe.
The injection process and recommended injection sites are different for each of these options.
See the Instructions for Use for detailed instructions for preparing and injecting your dose of AVONEX
A healthcare provider should show you how to prepare and measure your dose of AVONEX and how to inject your AVONEX before you use AVONEX for the first time
A healthcare provider or nurse should watch the first AVONEX injection you give yourself
AVONEX is given once a week by injection into the muscle (intramuscular injection)
Inject AVONEX exactly as your healthcare provider tells you
A healthcare provider will tell you how much AVONEX to inject and how often to inject AVONEX. Do not inject more than your healthcare provider tells you to
Do not change your dose unless your healthcare provider tells you to
Change (rotate) the injection site you choose with each injection. This will help decrease the chance that you will have an injection site reaction
Do not inject into an area of the body where the skin is irritated, reddened, bruised, infected or scarred in any way
AVONEX comes as a:
After 2 hours, check your injection site for redness, swelling, or tenderness. If you have a skin reaction and it does not clear up in a few days, contact your healthcare provider
Always use a new, unopened AVONEX prefilled syringe or single-dose prefilled autoinjector pen for each intramuscular injection
*Depending on your income or, in some cases, if your medication is obtained from an out-of-network provider, effective January 1, 2021 there is an annual cap that limits the amount of assistance that you can receive over one year. Federal and state laws and other factors may prevent or otherwise restrict eligibility. People covered by Medicare, Medicaid, the VA/DoD, or any other federal plans are not eligible to enroll. You may be eligible to enroll in the Biogen Copay Program for as long as it is offered and you are treated with a Biogen relapsing MS medication.