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Maximum strength Tussnex FM DM Max

Dosage form
LIQUID
Labeler
Guardian Drug Company
Label updated
2024-12-19
Retrieved
2026-09-07
Active ingredients
DEXTROMETHORPHAN HYDROBROMIDE · GUAIFENESIN
View original label and images on DailyMed ↗
Active ingredients (in each 20 mL)

Dextromethorphan HBr 20 mg

Guaifenesin 400 mg

Purpose

Cough suppressant

Expectorant

Uses
  • helps loosen phlegm (mucus) and thin bronchial secretions to drain bronchial tubes and make coughs more productive
  • temporarily relieves:
  • cough due to minor throat and bronchial irritation as may occur with a cold or inhaled irritants
  • the intensity of coughing
  • the impulse to cough to help you get to sleep
Warnings

Do not use

  • for children under 12 years of age
  • 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.

Ask a doctor before use if you have

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

When using this product

  • do not use more than directed

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 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
  • measure only with dosing cup provided
  • do not use dosing cup with other products
  • dose as follows or as directed by a doctor
  • Adults & children 12 years & older: 20mL every 4 hours
  • Children under 12 years of age: Do not use
Other information
  • each 20 mL contains: potassium 20 mg, sodium 20 mg
  • store between 15-30oC (59-86oF)
  • do not refrigerate
  • dosing cup provided
Inactive ingredients

citric acid anhydrous, D&C red 33, dextrose, FD&C red 40, flavors, glycerin, methylparaben, potassium sorbate, propylene glycol, propylparaben, purified water, saccharin sodium, sodium hydroxide, sorbitol, sucralose, xanthan gum

PDP

compare to active ingredients in Mucinex®Fast-MaxTMDM Max

Maximum strength

Tussnex FM DM Max

Dextromethorphan HBr

Cough suppressant

Guaifenesin

Expectorant

Multi-symptom

Relieves chest congestion

Thins and loosens mucus

Soothes cough

Dosing lasts 4 hours

For ages 12 & over

[Image in the official label — see DailyMed source]

DailyMed Set ID: 0bae53e3-9661-4bc6-9fcc-da7fa131b034 · Version 4
NDC: 53041-628