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

Guaifenesin

Dosage form
TABLET
Labeler
Walgreens
Label updated
2025-12-19
Retrieved
2026-09-07
Active ingredients
GUAIFENESIN
View original label and images on DailyMed ↗
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
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 (1-800-222-1222).

Directions
  • do not crush, chew, or break tablet
  • take with a full glass of water
  • this product can be administered without regard for 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, hypromellose, magnesium stearate, microcrystalline cellulose, sodium starch glycolate

Questions?

Contact 1-877-770-3183 Mon-Fri 8:00 AM EST to 5:00 PM PST

Principal Display Panel

[Image in the official label — see DailyMed source]

Principal Display Panel

[Image in the official label — see DailyMed source]

DailyMed Set ID: fd91621b-c969-8851-e053-6294a90ad8b2 · Version 4
NDC: 0363-9569