FDA label 56cf45ce-a692-486e-a961-3d53f18d418a

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)

SPL set ID: 5311bdb3-37a7-48d8-a5bb-5765b3d43fbc
SPL ID: 56cf45ce-a692-486e-a961-3d53f18d418a
Version: 1
Effective date: 2014-01-13
Source export date: 2026-10-12
Source partition: 10
Source file: https://download.open.fda.gov/drug/label/drug-label-0010-of-0014.json.zip
Source object key: raw/openfda/drug-label/2026-10-12/befa34274042a52f589b22fe2add0b1c6f0a385c96447c28303de164bb144af5/drug-label-0010-of-0014.json.zip
Source manifest SHA-256: 7e6b178df8f32cac9a78e0f5d09c588344509b04fe41effb1dde9102e2a45be6
Import run: 20261013T011858Z
Imported at: 2026-10-13 02:36:22

Harmonized identifier links#

Every typed identifier imported from the complete openFDA harmonization object is paginated here; values are not reduced to a first match.

Harmonized identifiers page 1 of 1 · 2 matching rows.

Type, Scope, Identifier table
Type	Scope	Identifier	Source field
spl id		56cf45ce-a692-486e-a961-3d53f18d418a	id
spl set id		5311bdb3-37a7-48d8-a5bb-5765b3d43fbc	set_id

Warnings cross-check#

openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.

Warnings sections page 1 of 1 · 1 matching rows.

warnings

WARNINGS Metaxalone 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.

Reported adverse events (FAERS/openFDA)#

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