FDA label
What is chlorzoxazone used for?
The FDA-approved uses of chlorzoxazone, quoted from the Indications and Usage section of its DailyMed label.
Source: DailyMed SPL label file dated 2026-10-23. Publisher page
The FDA label says: “Chlorzoxazone is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions. The mode of action of this drug has not been clearly identified, but may be related to its sedative properties. Chlorzoxazone does not directly relax tense skeletal muscles in man.”
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Chlorzoxazone, tablet
Indications and Usage, quoted from the label by Sportpharm LLC (ANDA089853). Cross-references to other label sections are left out.
Chlorzoxazone is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions. The mode of action of this drug has not been clearly identified, but may be related to its sedative properties. Chlorzoxazone does not directly relax tense skeletal muscles in man.
Source: DailyMed label, set id a21c6113-cf80-4bdd-bfe5-8cfd02f107fc, version 1, effective September 29, 2026. NDC 85766-282, one of 36 listings for this product.
Questions
What is chlorzoxazone used for?
The FDA label says: “Chlorzoxazone is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions. The mode of action of this drug has not been clearly identified, but may be related to its sedative properties. Chlorzoxazone does not directly relax tense skeletal muscles in man.”
What drug class is chlorzoxazone?
FDA lists chlorzoxazone in the Muscle Relaxant established pharmacologic class.
Does this page cover off-label uses or dosing?
No. This page shows only the Indications and Usage section of the FDA label. Ask a pharmacist or prescriber about dosing.