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mucus er

Dosage form
TABLET, MULTILAYER, EXTENDED RELEASE
Labeler
HyVee Inc
Label updated
2026-02-03
Retrieved
2026-09-07
Active ingredients
GUAIFENESIN
View original label and images on DailyMed ↗
Active ingredient (in each extended-release tablet)

Guaifenesin 600 mg

Purpose

Expectorant

Uses
  • •helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
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).

Directions
  • •do not crush, chew, or break extended-release tablet
  • •take with a full glass of water
  • •this product can be administered without regard for timing of meals
  • •adults and children 12 years of age and over: 1 or 2 extended-release tablets every 12 hours. Do not exceed 4 extended-release tablets in 24 hours.
  • •children under 12 years of age: do not use
Other information
  • •store at 20-25°C (68-77°F)
Inactive ingredients

carbomer homopolymer type B, FD&C blue #1 aluminum lake, hypromellose, magnesium stearate,

microcrystalline cellulose, sodium starch glycolate

Questions or comments?

1-800-289-8343

Package/Label Principal Display Panel

Hy•Vee®

Compare To Mucinex® Active Ingredient

Mucus-ER

Guaifenesin Extended-Release Tablets, 600 mg

Expectorant

actual size

12 HOUR

Relieves Chest Congestion

Thins and Loosens Mucus

Immediate and Extended Release

20 EXTENDED-RELEASE TABLETS

[Image in the official label — see DailyMed source]

DailyMed Set ID: 74136552-55b2-4dee-9c66-3f84e9dc63d6 · Version 2
NDC: 42507-202