Drug Facts

Drug Facts
SPL v4
SPL
SPL Set ID b1c9a009-92e7-4a85-b1b0-51d86156d882
Route
ORAL
Published
Effective Date 2025-11-20
Document Type 34390-5 HUMAN OTC DRUG LABEL

Drug Facts

Composition & Product

Active Ingredients
Dextromethorphan (20 mg) Guaifenesin (400 mg)
Inactive Ingredients
Anhydrous Citric Acid Edetate Disodium Fd&c Red No. 40 Glycerin Propyl Gallate Propylene Glycol Water Sodium Benzoate Trisodium Citrate Dihydrate Sorbitol Sucralose Xanthan Gum

Identifiers & Packaging

Marketing Status
OTC MONOGRAPH DRUG Completed Since 2019-09-30 Until 2026-09-30

Description

Dextromethorphan HBr 20 mg Guaifenesin 400 mg

Purpose

Cough suppressant Expectorant


Medication Information

Purpose

Cough suppressant

Expectorant

Description

Dextromethorphan HBr 20 mg Guaifenesin 400 mg

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 the common cold or inhaled irritants
    • the intensity of coughing
    • the impulse to cough to help you get to sleep
Directions
  • do not take more than 6 doses in any 24-hour period 
  • measure only with dosing cup provided. Do not use any other device 
  • keep dosing cup with product
  • mL = milliliter
  • dose as follows or as directed by a doctor
  • adults and children 12 years of age and older: 20 mL every 4 hours
  • children under 12 years of age: do not use
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.

Package Label
RITE AID Maximum Strength Mucus Relief DM Max
Other Information
  • each 20 mL contains: sodium 20 mg
  • store between 20-25°C (68-77°F). Do not refrigerate.
Inactive Ingredients

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

Principal Display Panel

*Compare to the active ingredients in Maximum Strength Mucinex® Fast-Max® DM Max

MAXIMUM STRENGTH

mucus relief

DM max

dextromethorphan HBr 20 mg

guaifenesin 400 mg

cough suppressant

expectorant

controls cough

relieves chest congestion

thin & loosens mucus

4 hour dosing

for ages 12+

*This product is not manufactured or distributed by Reckitt Benckiser, distributor of Maximum Strength Mucinex® Fast-Max® DM Max

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

DISTRIBUTED BY: RITE AID

30 HUNTER LANE

CAMP HILL, PA 17011

Questions or comments? Call 1-877-753-3935 Monday-Friday 9AM-5PM EST

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 (1-800-222-1222) right away.

Active Ingredients (in Each 20 Ml)

Dextromethorphan HBr 20 mg

Guaifenesin 400 mg

Ask A Doctor Before Use If You Have
  • persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema
  • cough accompanied by too much phlegm (mucus)

Structured Label Content

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 the common cold or inhaled irritants
    • the intensity of coughing
    • the impulse to cough to help you get to sleep
Purpose

Cough suppressant

Expectorant

Directions
  • do not take more than 6 doses in any 24-hour period 
  • measure only with dosing cup provided. Do not use any other device 
  • keep dosing cup with product
  • mL = milliliter
  • dose as follows or as directed by a doctor
  • adults and children 12 years of age and older: 20 mL every 4 hours
  • children under 12 years of age: do not use
Do Not Use (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.

Package Label
RITE AID Maximum Strength Mucus Relief DM Max
Other Information (Other information)
  • each 20 mL contains: sodium 20 mg
  • store between 20-25°C (68-77°F). Do not refrigerate.
Inactive Ingredients (Inactive ingredients)

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

Principal Display Panel

*Compare to the active ingredients in Maximum Strength Mucinex® Fast-Max® DM Max

MAXIMUM STRENGTH

mucus relief

DM max

dextromethorphan HBr 20 mg

guaifenesin 400 mg

cough suppressant

expectorant

controls cough

relieves chest congestion

thin & loosens mucus

4 hour dosing

for ages 12+

*This product is not manufactured or distributed by Reckitt Benckiser, distributor of Maximum Strength Mucinex® Fast-Max® DM Max

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

DISTRIBUTED BY: RITE AID

30 HUNTER LANE

CAMP HILL, PA 17011

Questions or comments? Call 1-877-753-3935 Monday-Friday 9AM-5PM EST

When Using This Product, (When using this product,)

do not use more than directed.

Stop Use and Ask A Doctor If (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, (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 (1-800-222-1222) right away.

Active Ingredients (in Each 20 Ml) (Active ingredients (in each 20 mL))

Dextromethorphan HBr 20 mg

Guaifenesin 400 mg

Ask A Doctor Before Use If You Have (Ask a doctor before use if you have)
  • persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema
  • cough accompanied by too much phlegm (mucus)

Advanced Ingredient Data


Raw Label Data

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