Guaiasorb

Dextromethorphan HBr, Guaifenesin · Liquid · Oral

Over the counter Expectorant Sigma-1 Agonist Uncompetitive N-methyl-D-aspartate Receptor Antagonist

Active ingredient

per 10 mL = 2 teaspoonfuls Dextromethorphan HBr - 20 mg Guaifenesin - 200 mg

Purpose

Purpose Cough suppressant Expectorant

Uses

Uses temporarily relieves cough due to minor throat and bronchial irritation helps loosen phlegm (mucus) helps thin bronchial secretions to make coughs more productive

Warnings

Warnings Do not use
• if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.
• if you have ever had an allergic reaction to any of the ingredients in this product. Ask a doctor before use if you have a cough with too much phlegm (mucus) a 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 headache that lasts. These could be signs of a serious condition.

Pregnancy or breast-feeding

If pregnant or breast-feeding, ask a health professional before use.

Keep out of reach of children

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

Directions

Directions do not exceed recommended dose take every 4 hours as needed, or as directed by a doctor do not take more than 6 doses in 24 hours Adults and children 12 years and over 10 mL (2 teaspoonfuls) Children under 12 years Do not use

Inactive ingredients

Inactive ingredients: artificial and natural cherry flavor, citric acid, menthol, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate, sucralose

Questions?

Questions or comments? 1-800-540-3765

Label text from the FDA structured product label by Geri-Care Pharmaceuticals, Corp (revised Dec 11, 2025). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Guaiasorb NDC products (3)

NDCStrength & formLabelerType
57896-736Dextromethorphan Hydrobromide 10 mg/5mL; Guaifenesin 100 mg/5mL
Liquid
Geri-Care Pharmaceuticals, CorpOTC MONOGRAPH DRUG
57896-739Dextromethorphan Hydrobromide 20 mg/10mL; Guaifenesin 200 mg/10mL
Liquid
Geri-Care Pharmaceuticals, CorpOTC MONOGRAPH DRUG
68071-3938Dextromethorphan Hydrobromide 10 mg/5mL; Guaifenesin 100 mg/5mL
Liquid
NuCare Pharmaceuticals, Inc.OTC MONOGRAPH DRUG

Frequently asked questions

What is Guaiasorb used for?

Uses temporarily relieves cough due to minor throat and bronchial irritation helps loosen phlegm (mucus) helps thin bronchial secretions to make coughs more productive

Who makes Guaiasorb?

Guaiasorb is listed by 2 labelers in the FDA NDC directory, including Geri-Care Pharmaceuticals, Corp, NuCare Pharmaceuticals, Inc..