Mucolyte

Guaifenesin · Liquid · Oral

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

Active ingredient

Drug Facts Active Ingredients (in each 5 mL teaspoonful) Guaifenesin, USP 100 mg Dextromethorphan Hydrobromide, USP 10 mg

Purpose

Purposes Expectorant Cough Suppressant

Uses

Uses helps loosen phlegm (mucus) and thin bronchial secretions to make coughs more productive temporarily relieves cough due to minor throat and bronchial irritation as may occur with a cold

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. Do not use if you have ever had an allergic reaction to any of the ingredients in this product. 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.

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

Inactive ingredients

Inactive Ingredients Cherry flavor, citric acid, FD&C Red #40, glycerin, menthol, propylene glycol, sodium benzoate, sodium citrate dihydrate, sodium saccharin, sorbitol, sucralose, water.

Questions?

Questions or comments Call 1-844-474-7464

Label text from the FDA structured product label by Rising Pharma Holdings, Inc. (revised Dec 8, 2025). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Guaifenesin in 2 products
Dextromethorphan Hydrobromide in 1 product

Mucolyte NDC products (2)

NDC	Strength & form	Labeler	Type
57237-359	Guaifenesin 100 mg/5mL Liquid	Rising Pharma Holdings, Inc.	OTC MONOGRAPH DRUG
57237-360	Guaifenesin 100 mg/5mL; Dextromethorphan Hydrobromide 10 mg/5mL Liquid	Rising Pharma Holdings, Inc.	OTC MONOGRAPH DRUG

Frequently asked questions

What is Mucolyte used for?

Uses helps loosen phlegm (mucus) and thin bronchial secretions to make coughs more productive temporarily relieves cough due to minor throat and bronchial irritation as may occur with a cold

Who makes Mucolyte?

Mucolyte is listed by 1 labeler in the FDA NDC directory, including Rising Pharma Holdings, Inc..