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MucinexMaximum Strength

Dosage form
TABLET, EXTENDED RELEASE
Labeler
A-S Medication Solutions
Label updated
2025-06-09
Retrieved
2026-09-07
Active ingredients
GUAIFENESIN
View original label and images on DailyMed ↗
Label information

Drug Facts

Active ingredient (in each extended-release tablet)

Guaifenesin 1200 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.

Label information

If pregnant or breast-feeding,ask a health professional before use.

Label information

Keep out of reach of children.In case of overdose, get medical help or contact a Poison Control Center right away.

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 the timing of meals
  • adults and children 12 years of age and over: 1 extended-release tablet every 12 hours. Do not exceed 2 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 no. 1 aluminum lake; hypromellose, USP; magnesium stearate, NF; microcrystalline cellulose, NF; sodium starch glycolate, NF

Questions?

1-866-MUCINEX (1-866-682-4639)

Label information

Dist. by: RB Health (US)
Parsippany, NJ 07054-0224

Made in England

HOW SUPPLIED

Product: 50090-2301

NDC: 50090-2301-1 7 TABLET, EXTENDED RELEASE in a BLISTER PACK / 2 in a CARTON

Guaifenesin

[Image in the official label — see DailyMed source]

DailyMed Set ID: 7e09314c-3421-4053-a2ac-b67bf5610f83 · Version 17
NDC: 50090-2301