Mucus Relief ER

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: Mucus Relief ER
Generic name: GUAIFENESIN
Manufacturer: Major Pharmaceuticals
Product type: HUMAN OTC DRUG
SPL set ID: e5a242bf-3008-4c92-a930-e76f733be5cf
SPL ID: ebcfe516-e74c-4f97-8ade-85cfbadf4f33
Version: 6
Effective date: 2025-03-07
Source export date: 2026-10-27
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/2026-10-27/35717de05250cd386420cc8ede3b6010b48d18eea2af59afb0617fcabca634ec/drug-label-0005-of-0014.json.zip
Source manifest SHA-256: 6be3667a3beefe6c0ead4c723ea963050533a2bc725a8044d58b07d18b258c55
Import run: 20261027T193451Z
Imported at: 2026-10-27 20:05:05

Harmonized routes table
Harmonized routes
ORAL

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 · 12 matching rows.

Type, Scope, Identifier table
Type	Scope	Identifier	Source field
application applno	ANDA	207342	derived:openfda.application_number
application number		ANDA207342	openfda.application_number
brand name		Mucus Relief ER	openfda.brand_name
generic name		GUAIFENESIN	openfda.generic_name
manufacturer name		Major Pharmaceuticals	openfda.manufacturer_name
ndc	package	0904-6718-39	openfda.package_ndc
ndc	product	0904-6718	openfda.product_ndc
ndc11	package	00904671839	derived:openfda.package_ndc
rxcui		636522	openfda.rxcui
spl id		ebcfe516-e74c-4f97-8ade-85cfbadf4f33	id
spl set id		e5a242bf-3008-4c92-a930-e76f733be5cf	set_id
unii		495W7451VQ	openfda.unii

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 Do not use for children under 12 years of age. Ask a doctor before use if you have persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis or emphysema cough accompanied by too much phlegm (mucus) Stop use and ask a doctor if cough lasts more than 7 days, comes back, or occurs with fever, rash or persistent headache. These could be signs of a serious illness. 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.