pilldic.Your medicine dictionary
Text size
← US medicines
US · Over-the-counter medicine

Mucinex

Dosage form
TABLET, EXTENDED RELEASE
Labeler
Proficient Rx LP
Label updated
2021-01-01
Retrieved
2026-09-07
Active ingredients
Guaifenesin
View original label and images on DailyMed ↗
Label information

Drug Facts

Active ingredient (in each extended-release bi-layer 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.

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 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 or 2 tablets every 12 hours. Do not exceed 4 tablets in 24 hours.
  • •children under 12 years of age: do not use
Other information
  • Tamper evident: Do not use if carton is open or if printed seal on blister is broken or missing.
  • •store between 20-25°C (68-77°F)
Inactive ingredients

carbomer homopolymer type B; FD&C blue #1 aluminum lake; hypromellose, USP; magnesium stearate, NF; microcrystalline cellulose, NF; sodium starch glycolate, NF

Questions?

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

You may also report side effects to this phone number.

Label information

Dist. by: Reckitt Benckiser
Parsippany, NJ 07054-0224

Relabeled by: Proficient Rx LP
Thousand Oaks, CA 91320

Made in England

PRINCIPAL DISPLAY PANEL - 40 Tablet Carton

NDC 63187-954-20

Mucinex®
600 mg guaifenesin
extended-release bi-layer tablets
EXPECTORANT

12
HOUR

  • Relieves Chest Congestion
  • Thins and Loosens Mucus
  • Immediate and Extended Release

20
EXTENDED-RELEASE
BI-LAYER TABLETS

[Image in the official label — see DailyMed source]

DailyMed Set ID: f3ade814-2759-4ad0-a196-210e84d8cde9 · Version 4
NDC: 63187-954