METAXALONE vs VALPIN 50

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 11, 2026·How we rate

Possible drug interaction. METAXALONE 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	METAXALONE	VALPIN 50
Rating	72/100	72/100
Pharmacy pays	~$12.05 /30	—
Type	RX	RX
Active ingredient	METAXALONE	ANISOTROPINE METHYLBROMIDE
Manufacturer	Lannett Co Inc	Endo Pharms
Dosage forms	Tablet	Tablet
Drug class	Muscle Relaxant	—
Boxed warning	None	None
Half-life	about 9 hours (terminal half-life 9.0 ± 4.8 hours after a 400 mg oral dose, fasted; ~8 hours at 800 mg)	—
Treats	Muscle Cramp, Muscle Rigidity, Muscle Spasticity	Peptic Ulcer, Spasm

metaxalone valpin 50

Rating

72/100

Pharmacy pays

~$12.05 /30

—

Type

Active ingredient

METAXALONE

ANISOTROPINE METHYLBROMIDE

Manufacturer

Lannett Co Inc

Endo Pharms

Dosage forms

Tablet

Drug class

Muscle Relaxant

—

Boxed warning

None

Half-life

about 9 hours (terminal half-life 9.0 ± 4.8 hours after a 400 mg oral dose, fasted; ~8 hours at 800 mg)

—

Treats

Muscle Cramp, Muscle Rigidity, Muscle Spasticity

Peptic Ulcer, Spasm

Frequently asked questions

Which is better-rated, Metaxalone or Valpin 50?

Metaxalone and Valpin 50 are tied at 3.6 out of 5 by our independent rating.

What is the difference between Metaxalone and Valpin 50?

Metaxalone contains Metaxalone, 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.