Package insert / product label
Generic name: guaifenesin
Dosage form: tablet, extended release
Drug class: Expectorants

Medically reviewed by Drugs.com. Last updated on Jan 1, 2022.

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.

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.

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

• store at 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.

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

Made in England

PRINCIPAL DISPLAY PANEL - 20 Tablet Blister Pack Carton

NDC 63824-008-32

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

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View more FAQ

Medical Disclaimer