Drug Facts
778dc0fb-30c3-4fbf-856a-7bca28181b39
34390-5
HUMAN OTC DRUG LABEL
Drug Facts
Composition & Product
Identifiers & Packaging
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 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
Purposes
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
- 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
Other Information
- each 20 mL contains: sodium 20 mg
- store between 20-25ºC (68-77ºF). Do not refrigerate
Inactive Ingredients
anhydrous 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 of Maximum Strength Mucinex® Fast Max® DM Max*
Maximum Strength
Fast Acting
Mucus Relief DM Max
Dextromethorphan HBr, 20 mg Cough Suppressant
Guaifenesin, 400 mg Expectorant
- Controls Cough
- Relieves Chest Congestion
- Thins & loosens mucus
- 4 hour dosing
For Ages 12 and Over
FL OZ (mL)
*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 AROUND OR UNDER CAP IS BROKEN OR MISSING.
DISTRIBUTED BY OLD EAST MAIN CO.
100 MISSION RIDGE
GOODLETTSVILLE, TN 37072
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 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.
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 that occurs with too much phlegm (mucus)
Structured Label Content
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
Purposes
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
Other Information (Other information)
- each 20 mL contains: sodium 20 mg
- store between 20-25ºC (68-77ºF). Do not refrigerate
Inactive Ingredients (Inactive ingredients)
anhydrous 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 of Maximum Strength Mucinex® Fast Max® DM Max*
Maximum Strength
Fast Acting
Mucus Relief DM Max
Dextromethorphan HBr, 20 mg Cough Suppressant
Guaifenesin, 400 mg Expectorant
- Controls Cough
- Relieves Chest Congestion
- Thins & loosens mucus
- 4 hour dosing
For Ages 12 and Over
FL OZ (mL)
*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 AROUND OR UNDER CAP IS BROKEN OR MISSING.
DISTRIBUTED BY OLD EAST MAIN CO.
100 MISSION RIDGE
GOODLETTSVILLE, TN 37072
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 headache that lasts. 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 that occurs with too much phlegm (mucus)
Advanced Ingredient Data
Raw Label Data
All Sections (JSON)
Additional Information
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Source: dailymed · Ingested: 2026-02-15T12:01:23.580649 · Updated: 2026-03-14T23:01:22.645369