Guaifenesin

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
Guaifenesin
Generic name
GUAIFENESIN
Manufacturer
American Health Packaging
Product type
HUMAN OTC DRUG
SPL set ID
2fd702ea-3069-472c-b99e-c527f1375705
SPL ID
24b1b6f4-c113-8adc-e063-6394a90a546c
Version
1
Effective date
2024-10-17
Source export date
2026-10-12
Source partition
4
Source file
https://download.open.fda.gov/drug/label/drug-label-0004-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-10-12/b939c18fdf51df171cf60ce5558819d08ac66bb16bb9991d48cbec91028d783e/drug-label-0004-of-0014.json.zip
Source manifest SHA-256
7e6b178df8f32cac9a78e0f5d09c588344509b04fe41effb1dde9102e2a45be6
Import run
20261013T011858Z
Imported at
2026-10-13 01:37:33
Harmonized routes table
Harmonized routes
ORAL

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 Ask a doctor before use if you have cough that occurs with too much phlegm (mucus) cough that lasts or is chronic such as occurs with smoking, asthma, chronic bronchitis, or emphysema Stop use and ask a doctor if cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. These could be signs of a serious condition. you are hypersensitive to any of the ingredients. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away .

Reported adverse events (FAERS/openFDA)#

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