Avonex Pen
Interferon beta-1a · Biogen Inc.
PRESCRIPTION ONLY (USA)Avonex Pen ingredients
| Active ingredient | Strength |
|---|---|
| Interferon Beta-1A | 30 ug/.5mL |
What Avonex Pen is used for
Avonex Pen is a specialist medicine (interferon beta). Its approved uses are listed on the official FDA label below.
Key facts
- Brand
- Avonex Pen
- Generic name
- Interferon beta-1a
- Made by
- Biogen Inc.
- Forms
- Injection, Solution
- Given
- Intramuscular
- Drug class
- Interferon beta
- FDA approval
- Biologic licence (BLA) BLA103628
- On the US market since
- 2003
Official information
- Avonex Pen prescribing information (FDA label) on DailyMed
- MedlinePlus drug information (search for Interferon beta-1a)
In India
- Interferon beta-1a: 4 brands 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 Pen?
Avonex Pen (Interferon beta-1a) is a specialist medicine made by Biogen Inc., approved by the US FDA.
What are the ingredients of Avonex Pen?
Avonex Pen 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