Avonex Pen (Interferon Beta-1a)

**Product type:** Human Prescription Drug

**Active ingredient:** INTERFERON BETA-1A

**Strength:** 30 ug/.5mL

**Dosage form:** Injection, Solution

**Route:** Intramuscular

**Labeler:** Biogen Inc.

**Marketing category:** BLA (BLA103628)

**Pharmacologic class:** Interferon beta [EPC], Interferon-beta [CS]