AIMOVIG vs PREMPRO/PREMPHASE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Possible drug interaction. AIMOVIG and PREMPRO/PREMPHASE 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	PREMPRO/PREMPHASE
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	ERENUMAB-AOOE	CONJUGATED ESTROGENS/MEDROXYPROGESTERONE ACETATE
Manufacturer	Amgen Inc	Wyeth Ayerst
Dosage forms	Injectable, Solution	Tablet
Drug class	—	—
Boxed warning	None	None

aimovig prempro/premphase

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

ERENUMAB-AOOE

CONJUGATED ESTROGENS/MEDROXYPROGESTERONE ACETATE

Manufacturer

Amgen Inc

Wyeth Ayerst

Dosage forms

Injectable, Solution

Tablet

Drug class

—

Boxed warning

None

Frequently asked questions

What is the difference between Aimovig and Prempro/Premphase?

Aimovig contains Erenumab-Aooe, while Prempro/Premphase contains Conjugated Estrogens/Medroxyprogesterone Acetate — 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.