Label: MUCUS RELIEF DM MAXIMUM STRENGTH- dextromethorphan hbr and guaifenesin solution

  • Category: HUMAN OTC DRUG LABEL

Drug Label Information

Updated November 26, 2025

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  • SPL UNCLASSIFIED SECTION

    Drug Facts

  • ACTIVE INGREDIENT

    Active ingredients (in each 20 mL)Purposes

    Dextromethorphan HBr 20 mg

    Cough suppressant

    Guaifenesin 400 mg

    Expectorant
  • 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
  • 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.

    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)

    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 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 right away at 1-800-222-2222.

  • 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
    • mL = milliliter
    • adults and children 12 years and older:20 mL every 4 hours
    • children under 12 years of age:Do not use
  • Other information

    • each 20 mL contains:sodium 8 mg
    • low sodium
    • store at room temperature
    • do not refrigerate
    • dosing cup provided
  • Inactive ingredients

    anhydrous citric acid, edetate disodium, FD&C Blue No. 1, FD&C Red No. 40, flavors, potassium citrate , propylene glycol, propyl gallate, purified water, sodium benzoate, sorbitol, sucralose, xanthan gum.

  • Questions or comments?

    1-866-467-2748

  • PRINCIPAL DISPLAY PANEL

    Walgreens

    NDC# 0363-7390-06

    Compare to Maximum Strength Mucinex ®Fast-Max ™DM max active ingredients ††

    DM Max

    • DEXTROMETHORPHAN HBr 20 mg/COUGH SUPPRESSANT
      GUAIFENESIN 400 mg/EXPECTORANT

    MAXIMUM STRENGTH

    MULTI-SYMPTOM

    • Relieves Chest Congestion & cough
    • Thins & loosens mucus
    • 4-hour dosing
    • 12 years & older

    6 FL OZ (180 mL)

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

    Walgreens Pharmacist Recommended

    Walgreens Pharmacist Survey

    ††These products is not manufactured or distributed by Reckitt Benckiser Health distributor of Maximum Strength Mucinex ®

    Fast Max ®DM Max

    DISTRIBUTED BY:

    WALGREEN CO.

    200 WILMOT RD. DEERFIELD, IL 60015

    100% SATISFACTION GUARANTEED

    Walgreens.com ©2020 Walgreens Co.

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

    Mucus Relief DM Max
  • INGREDIENTS AND APPEARANCE
    MUCUS RELIEF DM   MAXIMUM STRENGTH
    dextromethorphan hbr and guaifenesin solution
    Product Information
    Product TypeHUMAN OTC DRUGItem Code (Source)NDC:0363-7390
    Route of AdministrationORAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    DEXTROMETHORPHAN HYDROBROMIDE (UNII: 9D2RTI9KYH) (DEXTROMETHORPHAN - UNII:7355X3ROTS) DEXTROMETHORPHAN HYDROBROMIDE20 mg  in 20 mL
    GUAIFENESIN (UNII: 495W7451VQ) (GUAIFENESIN - UNII:495W7451VQ) GUAIFENESIN400 mg  in 20 mL
    Inactive Ingredients
    Ingredient NameStrength
    ANHYDROUS CITRIC ACID (UNII: XF417D3PSL)  
    EDETATE DISODIUM (UNII: 7FLD91C86K)  
    FD&C BLUE NO. 1 (UNII: H3R47K3TBD)  
    FD&C RED NO. 40 (UNII: WZB9127XOA)  
    POTASSIUM CITRATE (UNII: EE90ONI6FF)  
    PROPYLENE GLYCOL (UNII: 6DC9Q167V3)  
    PROPYL GALLATE (UNII: 8D4SNN7V92)  
    WATER (UNII: 059QF0KO0R)  
    SODIUM BENZOATE (UNII: OJ245FE5EU)  
    SORBITOL (UNII: 506T60A25R)  
    SUCRALOSE (UNII: 96K6UQ3ZD4)  
    XANTHAN GUM (UNII: TTV12P4NEE)  
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:0363-7390-06180 mL in 1 BOTTLE; Type 0: Not a Combination Product01/29/2020
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    OTC Monograph DrugM01201/29/2020
    Labeler - WALGREENS CO (008965063)
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