Metaxalone

openFDA label record#

This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.

Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name
Metaxalone
Generic name
METAXALONE
Manufacturer
Bryant Ranch Prepack
Product type
HUMAN PRESCRIPTION DRUG
SPL set ID
c2dd7071-cba3-410c-ade5-9d7e5af42038
SPL ID
b97be1a8-3fbc-4207-b88e-18ed1f3ca33c
Version
11
Effective date
2024-09-16
Source export date
2026-10-12
Source partition
9
Source file
https://download.open.fda.gov/drug/label/drug-label-0009-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-10-12/fb14b8f3d34b45230a84f851c029385f512adf3f002423a9b78d4f7ca626ecec/drug-label-0009-of-0014.json.zip
Source manifest SHA-256
7e6b178df8f32cac9a78e0f5d09c588344509b04fe41effb1dde9102e2a45be6
Import run
20261013T011858Z
Imported at
2026-10-13 02:25:35
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

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Warnings sections page 1 of 1 · 1 matching rows.

warnings

WARNINGS Metaxalone tablets may enhance the effects of alcohol and other CNS depressants.

Adverse reactions cross-check#

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Adverse reactions sections page 1 of 1 · 1 matching rows.

adverse reactions

ADVERSE REACTIONS The most frequent reactions to metaxalone include: CNS: drowsiness, dizziness, headache, and nervousness or “irritability”; Digestive: nausea, vomiting, gastrointestinal upset. Other adverse reactions are: Immune System: hypersensitivity reaction, rash with or without pruritus; Hematologic: leukopenia; hemolytic anemia; Hepatobiliary: jaundice. Though rare, anaphylactoid reactions have been reported with metaxalone. To report SUSPECTED ADVERSE EVENTS, contact Actavis at 1-800-272-5525 or FDA at 1-800-FDA-1088 or http://www.fda.gov/ for voluntary reporting of adverse reactions.

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.