United States · FDA National Drug Code directory
Chlorzoxazone
A source-listed medicine record.
Factual source checks only. This page is not a clinically reviewed monograph. Historical or discontinued records may be included; listing does not confirm approval, current availability or pharmacy stock.
Medicine identity
- Source reference
- 0591-2520_9ea218a7-b12c-4aec-9c0b-3104b03649ce
- Product NDC
- 0591-2520
- Form
- TABLET
- Composition / generic term
- Chlorzoxazone
- Labeler
- Actavis Pharma, Inc.
- Marketing category
- ANDA
- Marketing start / end (source format)
- 20110822
- Source listing expiry
- 20261231
Source-listed ingredients
- CHLORZOXAZONE — 500 mg/1
These values do not establish equivalence or a dose recommendation.
Packages
- 100 TABLET in 1 BOTTLE, PLASTIC (0591-2520-01) · 0591-2520-01
- 500 TABLET in 1 BOTTLE, PLASTIC (0591-2520-05) · 0591-2520-05
Source and coverage
Open FDA National Drug Code directory →
Snapshot retrieved: 2026-09-17. This is the acquisition date, not a medical review date.
Clinical information, images and comparisons appear only when separately reviewed for this record. Coverage may be incomplete. Ask a pharmacist or clinician about your treatment.
Browse United States records →