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

Guaifenesin 400mg

Dosage form
TABLET
Labeler
Marlex Pharmaceuticals Inc
Label updated
2024-10-07
Retrieved
2026-09-07
Active ingredients
GUAIFENESIN
View original label and images on DailyMed ↗
Label information

GUAIFENESIN 400 MG TABLETS

Marlex Pharmaceuticals, Inc.

----------

Drug Fact

Active ingredient (in each tablet)

Guaifenesin 400mg

Purpose

Expectorant

Guaifenesin 4 00 mg Tablets

Uses

helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageway of bothersome mucus and make coughs more productive

Warnings

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 last more than 7 days, come back or is accompanied by fever, rash, or persistent headache. There could be signs of a serious illness. 

TAMPER EVIDENT: DO NOT USE IF IMPRINTED SAFETY SEAL UNDER CAP IS BROKEN OR MISSING.

 

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 take more than 6 doses in any 24-hour period.
  • This product is not intended for use in children under 12 years of age
  • Adults & children 12 years and over: 1 to 2 tablets every 4 hours
  • Children under 12 years: do not use
Other Information:
  • Store at 15°C-30°C (59°F-86°F)
Inactive Ingredients:

Colloidal silicon dioxide, FD&C RED #40(AI-lake), magnesium stearate, maltodextrin, microcrystalline cellulose, povidone, stearic acid

Manufactured for & Distributed by:

Marlex Pharmaceuticals, Inc.

New Castle, DE 19720

Rev: 02/19TCL

PRINCIPAL DISPLAY PANEL

NDC 10135-0682-30
Guaifenesin
400 mg
30 CAPLETS

[Image in the official label — see DailyMed source]

[Image in the official label — see DailyMed source]

PRINCIPAL DISPLAY PANEL

NDC 10135-0682-60
Guaifenesin
400 mg
60 CAPLETS

[Image in the official label — see DailyMed source]

[Image in the official label — see DailyMed source]

DailyMed Set ID: 43ca292e-3128-47fc-9f20-b7e8c8677d4d · Version 5
NDC: 10135-682