Chlorzoxazone

Chlorzoxazone treats muscle pain and stiffness. It may cause drowsiness and dizziness.

Chlorzoxazone Overview

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Chlorzoxazone is a prescription medication used to treat muscle pain and stiffness. Chlorzoxazone belongs to a group of drugs called muscle relaxants. These work by relieving pain and stiffness caused by muscle strains and sprains.

This medication comes in a tablet (by mouth) form and is normally taken 3 to 4 times per day with or without food.

Common side effects of chlorzoxazone include discomfort, light-headedness, and overstimulation. 

Chlorzoxazone can also cause drowsiness or dizziness. Do not drive or operate heavy machinery until you know how chlorzoxazone affects you.

Patient Ratings for Chlorzoxazone

How was your experience with Chlorzoxazone?

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What are you taking Chlorzoxazone for?

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  • Other
  • Muscle Cramp
  • Muscle Rigidity
  • Myositis
  • Pain
  • Spasm

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  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

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Chlorzoxazone Cautionary Labels

precautionsprecautions

Uses of Chlorzoxazone

Chlorzoxazone is a prescription medication used in combination with rest, physical therapy, and other measures to treat muscle pain and stiffness caused by muscle strains and sprains.

This medication may be prescribed for other uses.  Ask your doctor or pharmacist for more information.

Chlorzoxazone Brand Names

Chlorzoxazone may be found in some form under the following brand names:

Chlorzoxazone Drug Class

Chlorzoxazone is part of the drug class:

Side Effects of Chlorzoxazone

Serious side effects have been reported with chlorzoxazone. See the "Drug Precautions" section.

Common side effects of chlorzoxazone include the following:

  • overstimulation
  • light-headedness
  • dizziness
  • drowsiness
  • discomfort

This is not a complete list of chlorzoxazone side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.