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Guaifenesin

Dosage form
LIQUID
Labeler
Oncor Pharmaceuticals
Label updated
2026-01-05
Retrieved
2026-09-07
Active ingredients
GUAIFENESIN
View original label and images on DailyMed ↗
Active ingredient (in each 5 mL teaspoonful)

Guaifenesin 100 mg

Purpose

Expectorant

Uses
  • helps loosen phlegm (mucus) and thin bronchial secretions to make coughs more productive.
Warnings

Ask a doctor before use if you have

  • cough that occurs with too much phlegm (mucus)
  • cough that lasts or is chronic such as occurs with smoking, asthma, chronic bronchitis, or emphysema

Stop use and ask a doctor if

cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. These could be signs of a serious condition.

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
     Age    Dose
     Adults and Children 12 years and over  2-4 Teaspoonfuls every 4 hours
     Children 6 years to under 12 years  1-2 Teaspoonfuls every 4 hours
     Children 2 years to under 6 years  1/2-1 Teaspoonful every 4 hours
     Under 2 years  Ask a doctor

Drug Facts (continued)

Other information
  • store at 20°-25°C (68°-77°F)
  • Tamper evident by foil seal under cap. Do not use if foil seal is broken or missing.
  • sodium content 3 mg/5 mL
Inactive ingredients

Citric acid, Cherry flavor, FD&C red No. 40, glycerin, propylene glycol, purified water, sodium benzoate, sodium citrate, sodium, sorbitol solution, sucralose.

Questions?

You may report side effects by calling Oncor Pharmaceuticals (9 a.m. to 5 p.m. EST), at 1-443-876-7600 or FDA at 1-800-FDA-1088.

Manufactured for:
Oncor Pharmaceuticals
8815 Center Park Dr. Suite 430
Columbia, Maryland 21045


PRINCIPAL DISPLAY PANEL

NDC 83720-503-16

ONCOR PHARMACEUTICALS

Guaifenesin

Oral Solution USP

100 mg/5 mL

Expectorant

Relieves Chest Congestion

Sugar Free • Alcohol Free

Cherry Flavor

16 fl. oz. - 473 mL

[Image in the official label — see DailyMed source]

DailyMed Set ID: fd35036c-b722-48a3-85fd-60471beb6e74 · Version 4
NDC: 83720-503