AIMOVIG vs ISOCLOR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. AIMOVIG and ISOCLOR 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	ISOCLOR
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	ERENUMAB-AOOE	CHLORPHENIRAMINE MALEATE AND PSEUDOEPHEDRINE HYDROCHLORIDE
Manufacturer	Amgen Inc	Fisons
Dosage forms	Injectable, Solution	Capsule, extended release
Drug class	—	—
Boxed warning	None	None
Half-life	—	roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)

aimovig isoclor

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

ERENUMAB-AOOE

CHLORPHENIRAMINE MALEATE AND PSEUDOEPHEDRINE HYDROCHLORIDE

Manufacturer

Amgen Inc

Fisons

Dosage forms

Injectable, Solution

Capsule, extended release

Drug class

—

Boxed warning

None

Half-life

—

roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)

Frequently asked questions

What is the difference between Aimovig and Isoclor?

Aimovig contains Erenumab-Aooe, while Isoclor contains Chlorpheniramine Maleate and Pseudoephedrine Hydrochloride — 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.