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NORFLEX vs SKELAXIN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. NORFLEX and SKELAXIN 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.

Rating

New
New

Pharmacy pays

$0.48 /mL
~$11.97 /30

Type

RX
RX

Active ingredient

ORPHENADRINE CITRATE
METAXALONE

Dosage forms

Tablet, extended release, Injectable
Tablet

Drug class

Muscle Relaxant
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, Myositis
Muscle Cramp, Muscle Rigidity, Muscle Spasticity

Frequently asked questions

What is the difference between Norflex and Skelaxin?

Norflex contains Orphenadrine Citrate, while Skelaxin contains Metaxalone — 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.