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PARAFLEX vs ROBAXIN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Possible drug interaction. PARAFLEX and ROBAXIN 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
72/100

Pharmacy pays

~$16.14 /30
~$1.27 /30

Type

RX
RX

Active ingredient

CHLORZOXAZONE
METHOCARBAMOL

Dosage forms

Tablet
Injectable

Drug class

Muscle Relaxant
Muscle Relaxant

Boxed warning

None
None

Half-life

about 1 to 2 hours

Treats

Muscle Cramp, Muscle Rigidity, Myositis
Muscle Cramp, Muscle Rigidity, Myositis

Frequently asked questions

Which is cheaper, Paraflex or Robaxin?

Robaxin costs pharmacies less to acquire — about $1.27 vs $16.14 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Paraflex and Robaxin?

Paraflex contains Chlorzoxazone, while Robaxin contains Methocarbamol — 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.