FDA label 654dcfdc-4012-426e-bcd3-eb21b8e3ce2a

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: 83cfbe48-4b69-445a-9c13-742ea345830e
SPL ID: 654dcfdc-4012-426e-bcd3-eb21b8e3ce2a
Version: 1
Effective date: 2010-09-27
Source export date: 2026-11-06
Source partition: 2
Source file: https://download.open.fda.gov/drug/label/drug-label-0002-of-0014.json.zip
Source object key: raw/openfda/drug-label/2026-11-06/4dafeb36642dffb72e2138939a956de402f722ea8c14c08cd87068efd3669f01/drug-label-0002-of-0014.json.zip
Source manifest SHA-256: 4a7570ba105b5a039a8e1c94a85e7f085b9047a8882a35a96bf1e4516c5ffc97
Import run: 20261108T063105Z
Imported at: 2026-11-08 06:53:37

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		654dcfdc-4012-426e-bcd3-eb21b8e3ce2a	id
spl set id		83cfbe48-4b69-445a-9c13-742ea345830e	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 tablets may enhance the effects of alcohol and other CNS depressants.

Adverse reactions cross-check#

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

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.