AIMOVIG vs FIRDAPSE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. AIMOVIG and FIRDAPSE are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	AIMOVIG	FIRDAPSE
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	ERENUMAB-AOOE	AMIFAMPRIDINE PHOSPHATE
Manufacturer	Amgen Inc	Catalyst Pharms
Dosage forms	Injectable, Solution	Tablet
Drug class	—	—
Boxed warning	None	None
Treats	—	Lambert-Eaton Myasthenic Syndrome

aimovig firdapse

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

ERENUMAB-AOOE

AMIFAMPRIDINE PHOSPHATE

Manufacturer

Amgen Inc

Catalyst Pharms

Dosage forms

Injectable, Solution

Tablet

Drug class

—

Boxed warning

None

Treats

—

Lambert-Eaton Myasthenic Syndrome

Frequently asked questions

What is the difference between Aimovig and Firdapse?

Aimovig contains Erenumab-Aooe, while Firdapse contains Amifampridine Phosphate — they have different active ingredients.

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.