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GUAIFENESIN

Dosage form
TABLET
Labeler
Pharbest Pharmaceuticals, Inc.
Label updated
2025-12-24
Retrieved
2026-09-07
Active ingredients
GUAIFENESIN
View original label and images on DailyMed ↗
Active Ingredient (in each tablet)

Guaifenesin 400mg

Purpose

Expectorant

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

Ask 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 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

  • take with a full glass of water
  • do not exceed 6 doses in 24 hours

adults and children 12 years of age and over

take 1 tablet every 4 hours as needed

children 6 to under 12 years of age

take ½ tablet every 4 hours as needed

children under 6 years of age

consult a doctor

Other information
  • store at room temperature (15°-30°C)
  • Tamper Evident: do not use if safety seal under cap is broken or missing
Inactive ingredients

magnesium stearate, maltodextrin, microcrystalline cellulose, povidone, silicon dioxide, stearic acid.

Questions?

Adverse drug event call (866) 562-2756 Mon-Fri 8 AM to 4 PM

포장 표시

PHARBEST 

NDC 16103-379-04

Manufactured in the USA

Immediate Release

PHARBINEX

*COMPARE TO the active ingredient in MUCINEX® Tablets

Guaifenesin 400mg

Expectorant

30 TABLETS

[Image in the official label — see DailyMed source]

DailyMed Set ID: 0bf70fb4-d3c8-476d-b864-4eadc697a7d8 · Version 2
NDC: 16103-379