Guaifenesin Syrup and Dextromethorphan

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 Syrup and Dextromethorphan
Generic name
GUAIFENESIN SYRUP AND DEXTROMETHORPHAN
Manufacturer
Natco Pharma USA LLC
Product type
HUMAN OTC DRUG
SPL set ID
ad9026f4-f0b6-4d02-aa44-f0460eeefc0e
SPL ID
6bc4ec89-dcf0-4e03-ac41-abb85c1a5efd
Version
6
Effective date
2023-11-01
Source export date
2026-09-28
Source partition
12
Source file
https://download.open.fda.gov/drug/label/drug-label-0012-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-09-28/663999d0fe1757c1e2cd13a4799d76d875f663e0bc57701092264ebe7febfc18/drug-label-0012-of-0014.json.zip
Source manifest SHA-256
cd2e66336a5cd2223fa3995098fdbdb84c6a7ee5c0a4addb236ccb22dd1e6887
Import run
20260929T050834Z
Imported at
2026-09-29 06:28:47
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

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Warnings sections page 1 of 1 · 1 matching rows.

warnings

Warnings Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) or for two weeks after stopping the MAOI drug. 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 Ask a doctor or pharmacist before use if you are taking any other drug Stop use and ask a doctor if • your cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistant headache. • 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 (1-800-222-1222)

Reported adverse events (FAERS/openFDA)#

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