Avonex

Interferon beta-1a · Biogen Inc.
PRESCRIPTION ONLY (USA)

Avonex ingredients

Active ingredientStrength
Interferon Beta-1A30 ug/.5mL

What Avonex is used for

Avonex is a specialist medicine (interferon beta). Its approved uses are listed on the official FDA label below.

Key facts

Brand
Avonex
Generic name
Interferon beta-1a
Made by
Biogen Inc.
Forms
Injection, Solution, Kit
Given
Intramuscular
Drug class
Interferon beta
FDA approval
Biologic licence (BLA) BLA103628
On the US market since
2003

Official information

In India

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is Avonex?

Avonex (Interferon beta-1a) is a specialist medicine made by Biogen Inc., approved by the US FDA.

What are the ingredients of Avonex?

Avonex contains Interferon Beta-1A (30 ug/.5mL).

From the FDA National Drug Code directory (open.fda.gov, public domain). Page made 5 November 2026 by Satya Babu.

← All specialty medicines, USA

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.