Label: GUAIFENESIN DM- guaifenesin and dextromethorphan syrup

  • Category: HUMAN OTC DRUG LABEL
  • DEA Schedule: None

Drug Label Information

Updated June 2, 2026

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  • PURPOSE

    Non-Narcotic, Alcohol Free
    Expectorant/Cough Suppressant

  • DESCRIPTION

    Each 5 mL (1 teaspoonful) contains:

    Guaifenesin

    100 mg

    Dextromethorphan Hydrobromide

    10 mg

    Inactive Ingredients: Citric acid, FD&C Red No. 40, flavoring, glycerin, menthol, purified water, sodium benzoate, sodium citrate, sodium saccharin, and sucrose. 

    Sodium Content: 4 mg/5 mL

  • 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 a cold
  • 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

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

    Stop use and ask a doctor if

    •
    cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. These could be signs of a serious condition.
    •
    you are hypersensitive to any of the ingredients.

    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.

  • SPL UNCLASSIFIED SECTION

    Professional Note: Guaifenesin has been shown to produce a color interference with certain clinical laboratory determinations of 5-hydroxyindoleacetic acid (5-HIAA) and vanillylmandelic acid (VMA).

  • DOSAGE & ADMINISTRATION

    DIRECTIONS: Follow dosage below or use as directed by a physician.

    •
    do not take more than 6 doses in any 24-hour period.
    age dose

    adults and children
    12 years and over

    10 mL (2 teaspoonfuls)
    every 4 hours

    children 6 years to
    under 12 years

    5 mL (1 teaspoonful)
    every 4 hours

    children 2 years to
    under 6 years

    2.5 mL (1/2 teaspoonful)
    every 4 hours

    children under 2 years

    ask a doctor
  • SPL UNCLASSIFIED SECTION

    HOW SUPPLIED: Guaifenesin Syrup and Dextromethorphan is a red, cherry flavored syrup supplied in the following oral dosage forms:

    Overbagged with 5 x 10 mL unit dose cups in each bag, NDC 55154-5783-5

    WARNING: This Unit Dose package is not child resistant and is Intended for Institutional Use Only. Keep this and all drugs out of the reach of children.

  • STORAGE AND HANDLING

    STORAGE: Keep tightly closed.  Store at controlled room temperature, 20°-25°C (68°-77°F) [See USP].  Protect from light. 

  • MANUFACTURED BY

    Pharmaceutical Associates, Inc.
    Greenville, SC 29605
    www.paipharma.com 

    Distributed By:

    Cardinal Health

    Dublin, OH 43017

    L54347411025

    R11/16

  • Principal Display Panel

    NDC 55154-5783-5

    GUAIFENESIN SYRUP

    AND DEXTROMETHORPHAN

    200 mg/20 mg per 10 mL

    5 CUPS

    200mg/20mg per 10mL bag label
  • INGREDIENTS AND APPEARANCE
    GUAIFENESIN DM 
    guaifenesin and dextromethorphan syrup
    Product Information
    Product TypeHUMAN OTC DRUGItem Code (Source)NDC:55154-5783(NDC:0121-1276)
    Route of AdministrationORAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    GUAIFENESIN (UNII: 495W7451VQ) (GUAIFENESIN - UNII:495W7451VQ) GUAIFENESIN100 mg  in 5 mL
    DEXTROMETHORPHAN (UNII: 7355X3ROTS) (DEXTROMETHORPHAN - UNII:7355X3ROTS) DEXTROMETHORPHAN HYDROBROMIDE10 mg  in 5 mL
    Inactive Ingredients
    Ingredient NameStrength
    CITRIC ACID MONOHYDRATE (UNII: 2968PHW8QP)  
    FD&C RED NO. 40 (UNII: WZB9127XOA)  
    GLYCERIN (UNII: PDC6A3C0OX)  
    MENTHOL, UNSPECIFIED FORM (UNII: L7T10EIP3A)  
    WATER (UNII: 059QF0KO0R)  
    SODIUM BENZOATE (UNII: OJ245FE5EU)  
    SODIUM CITRATE, UNSPECIFIED FORM (UNII: 1Q73Q2JULR)  
    SACCHARIN SODIUM (UNII: SB8ZUX40TY)  
    SUCROSE (UNII: C151H8M554)  
    Product Characteristics
    ColorredScore    
    ShapeSize
    FlavorCHERRYImprint Code
    Contains    
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:55154-5783-55 in 1 BAG07/01/1992
    110 mL in 1 CUP, UNIT-DOSE; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    OTC Monograph DrugM01207/01/1992
    Labeler - Cardinal Health 107, LLC (118546603)
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