AMRIX vs VALPIN 50

Independent side-by-side comparison.

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

Possible drug interaction. AMRIX and VALPIN 50 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	AMRIX	VALPIN 50
Rating	56/100	72/100
Pharmacy pays	~$0.63 /30	—
Type	RX	RX
Active ingredient	CYCLOBENZAPRINE HYDROCHLORIDE	ANISOTROPINE METHYLBROMIDE
Manufacturer	Teva	Endo Pharms
Dosage forms	Capsule, extended release	Tablet
Drug class	Muscle Relaxant	—
Boxed warning	None	None
Half-life	about 18 hours (range roughly 8 to 37 hours) for the standard immediate-release tablet in typical adults	—
Treats	Muscle Cramp, Muscle Rigidity, Muscle Spasticity	Peptic Ulcer, Spasm

amrix valpin 50

Rating

56/100

72/100

Pharmacy pays

~$0.63 /30

—

Type

Active ingredient

CYCLOBENZAPRINE HYDROCHLORIDE

ANISOTROPINE METHYLBROMIDE

Manufacturer

Teva

Endo Pharms

Dosage forms

Capsule, extended release

Tablet

Drug class

Muscle Relaxant

—

Boxed warning

None

Half-life

about 18 hours (range roughly 8 to 37 hours) for the standard immediate-release tablet in typical adults

—

Treats

Muscle Cramp, Muscle Rigidity, Muscle Spasticity

Peptic Ulcer, Spasm

Frequently asked questions

Which is better-rated, Amrix or Valpin 50?

By our independent rating, Valpin 50 scores higher — 3.6 vs 2.8 out of 5 for Amrix. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Amrix and Valpin 50?

Amrix contains Cyclobenzaprine Hydrochloride, while Valpin 50 contains Anisotropine Methylbromide — 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.