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Mucinex Fast-Max Chest Congestion Honey and Berry Flavor

Dosage form
SOLUTION
Labeler
Reckitt Benckiser LLC
Label updated
2026-05-13
Retrieved
2026-09-07
Active ingredients
GUAIFENESIN
View original label and images on DailyMed ↗
Label information

Drug Facts

Active ingredient (in each 20 mL)

Guaifenesin 400 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 that occurs with 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 headache that lasts. These could be signs of a serious condition.

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 take more than 6 doses in any 24-hour period
  • measure only with dosing cup provided
  • do not use dosing cup with other products
  • dose as follows or as directed by a doctor
  • adults and children 12 years of age and over: 20 mL in dosing cup provided every 4 hours
  • children under 12 years of age: do not use
Other information
  • each 20 mL contains: sodium 12 mg
  • store at 20-25°C (68-77°F)
  • do not refrigerate
Inactive ingredients

ammonium glycyrrhizate, anhydrous citric acid, edetate disodium, flavors, glycerin (soy), propylene glycol, purified water, sodium benzoate, sorbitol, sucralose, xanthan gum

Questions?

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

You may also report side effects to this phone number.

Label information

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

PRINCIPAL DISPLAY PANEL - 180 mL Bottle Label

MAXIMUM STRENGTH
NDC 63824-537-66

Mucinex®
FAST-MAX ®

CHEST CONGESTION

Honey
& Berry Flavor

Guaifenesin – Expectorant

  • Relieves Chest Congestion
  • Thins & Loosens Mucus
  • 4 Hour Dosing

6 FL OZ (180 mL)
FOR AGES 12+

010720
3132639

[Image in the official label — see DailyMed source]

DailyMed Set ID: 8ec74cf2-88f5-40be-87e2-b756ab841754 · Version 5
NDC: 63824-537