Home FDA labels 4e10129b-41a3-4572-9564-6f8366b627dc FDA label 4e10129b-41a3-4572-9564-6f8366b627dc 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 4e10129b-41a3-4572-9564-6f8366b627dc
SPL ID 4e10129b-41a3-4572-9564-6f8366b627dc
Version 1
Effective date 2010-12-10
Source export date 2026-11-06
Source partition 5
Source file https://download.open.fda.gov/drug/label/drug-label-0005-of-0014.json.zip
Source object key raw/openfda/drug-label/2026-11-06/f699a9578a0c5d6f5abd59491e85ce3c2c5e4567a51003fee350566c56ba5812/drug-label-0005-of-0014.json.zip
Source manifest SHA-256 8dff71fbef1291eb7711013e9a3a06194930757924a8946ae3034107a98d9463
Import run 20261106T075659Z
Imported at 2026-11-06 08:26:59 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.
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 adverse reactions are drowsiness and dizziness. Less frequent adverse reactions are lightheadedness and gastrointestinal disturbances including nausea, vomiting, and flatulence. Mental confusion or depression can occur due to intolerance or overdosage of butalbital. Several cases of dermatological reactions including toxic epidermal necrolysis and erythema multiforme have been reported.
Reported adverse events (FAERS/openFDA)# Adverse event summaries are temporarily unavailable. Other product information remains available.