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Mucus Relief Severe Congestion and CoughMaximum Strength

Dosage form
LIQUID
Labeler
TOP CARE (Topco Associates LLC)
Label updated
2026-04-28
Retrieved
2026-09-07
Active ingredients
DEXTROMETHORPHAN HYDROBROMIDE · GUAIFENESIN · PHENYLEPHRINE HYDROCHLORIDE
View original label and images on DailyMed ↗
Active ingredients (in each 20 mL)

Dextromethorphan HBr 20 mg

Guaifenesin 400 mg

Phenylephrine HCl 10 mg

Purposes

Cough suppressant

Expectorant

Nasal Decongestant

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

  • heart disease
  • thyroid disease
  • diabetes
  • high blood pressure
  • trouble urinating due to an enlarged prostate gland 
  • persistent or chronic cough such as occurs with smoking, asthma, chronic 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

  • nervousness, dizziness or sleeplessness occur
  • symptoms do not get better within 7 days or occur with a fever
  • cough comes back, or occurs with fever, rash or headache that lasts.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 (1-800-222-1222) right away. 

Directions
  • do not take more than 6 doses in a 24-hour period
  • measure only with dosing cup provided. Do not use any other dosing device.
  • keep dosing cup with products
  • shake well before using
  • mL=milliliter
  • adults and children 12 years of age and older: 20 mL in dosing cup provided every 4 hours
  • children under 12 years of age: do not use

Other information
  • each 20 mL contains: sodium 17 mg
  • store between 20-25ºC (68º-77ºF). Do not refrigerate.
Inactive ingredients

anhydrous citric acid, EDTA disodium, FD&C blue #1, FD&C red #40, flavor, glycerin, propyl gallate, propylene glycol, purified water, sodium benzoate, sorbitol, sucralose, trisodium citrate dihydrate, xanthan gum

Questions or comments?

Call toll free 1-888-423-0139

Principal Display Panel

COMPARE TO MAXIMUM STRENGTH MUCINEX® FAST-MAX® SEVERE CONGESTION & COUGH ACTIVE INGREDIENTS*

MAXIMUM STRENGTH

Mucus Relief

Severe Congestion and Cough

DEXTROMETHORPHAN HBr 20 mg COUGH SUPPRESSANT

GUAIFENESIN 400 mg • EXPECTORANT

PHENYLEPHRINE HCI 10 mg •  NASAL DECONGESTANT

MULTI-SYMPTOM RELIEF:

  • Controls Cough
  • Relieves Nasal & Chest Congestion
  • Thins & Loosens Mucus

FOR AGES 12 +

FL OZ (mL)

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

*This product is not manufactured or distributed by Reckitt Benckiser, distributor of Maximum Strength Mucinex® Fast-Max® Severe Congestion & Cough.

DISTRIBUTED BY TOPCO ASSOCIATED LLC

ELK GROVE VILLAGE, IL 60007

[email protected]

Package Label

[Image in the official label — see DailyMed source]

DailyMed Set ID: 98dd0ba6-0109-46b2-92df-11a030984240 · Version 7
NDC: 36800-037