chlorzoxazone (Parafon, Parafon-Forte)

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Introduction

Tradenames: Parafon, Forte.

Indications

muscle relaxant

Dosage

250-500 mg PO TID/QID, max 750 mg QID

Tabs: 250 & 500 mg.

Pharmacokinetics

  • effects last 3-4 hours
  • < 1% of drug is excreted unchanged in the urine

elimination via liver

elimination via kidney

Adverse effects

(drug well tolerated by most patients)

Laboratory

Mechanism of action

More general terms

Component of

References

  1. The Pharmacological Basis of Therapeutics, 9th ed. Gilman et al, eds. Permagon Press/McGraw Hill, 1996
  2. Drug Information & Medication Formulary, Veterans Affairs, Central California Health Care System, 1st ed., Ravnan et al eds, 1998 - not on National VA formulary

Database