AVONEX vs REBIF

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Attribute	AVONEX	REBIF
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	INTERFERON BETA-1A	INTERFERON BETA-1A
Manufacturer	Biogen	Serono
Dosage forms	Kit	Injectable
Drug class	Interferon Beta	Interferon Beta
Boxed warning	None	None
Treats	Multiple Sclerosis	Multiple Sclerosis

avonex rebif

Rating

New

Pharmacy pays

—

Type

Active ingredient

INTERFERON BETA-1A

Manufacturer

Biogen

Serono

Dosage forms

Kit

Injectable

Drug class

Interferon Beta

Boxed warning

None

Treats

Multiple Sclerosis

Frequently asked questions

What is the difference between Avonex and Rebif?

Both Avonex and Rebif share the active ingredient Interferon Beta-1a.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.