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Avonex

Interferon Beta-1A
Interferon beta-1a is used to treat relapsing forms of multiple sclerosis in adults (including clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease). Interferon beta-1a may also be used for purposes not listed in this medication guide.
CHEMICAL NAME
Interferon Beta-1A
DRUG TYPE
Multiple Sclerosis
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Frequently Asked Questions

Interferon beta-1a can harm your liver. Call your doctor if you have symptoms such as nausea, loss of appetite, tiredness, confusion, easy bruising or bleeding, dark urine, clay-colored stools, or yellowing of your skin or eyes.

Some people have thoughts about suicide while using interferon beta-1a. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.

Similar Drugs

Brand Name Examples Supplied As Strength
Avonex Syringe 30Mcg/.5Ml

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