Label: GUAIFENESIN tablet, extended release

  • Category: HUMAN OTC DRUG LABEL
  • DEA Schedule: None
  • Marketing Status: Abbreviated New Drug Application

Drug Label Information

Updated February 1, 2026

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  • ACTIVE INGREDIENT(S)

    Guaifenesin 600 mg (for 600mg)

  • PURPOSE

    Expectorant

  • USE(S)

    •
    helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
  • WARNINGS

    Do not use

    •
    for children under 12 years of age
  • 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)
  • STOP USE AND ASK 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 illness.
  • 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
    (1-800-222-1222)

  • DIRECTIONS

    •
    do not crush, chew, or break tablet
    •
    take with a full glass of water
    •
    this product can be administered without regard for timing of meals
    •
    adults and children 12 years of age and over: 1 or 2 tablets every 12 hours. Do not exceed 4 tablets in 24 hours(For 600mg)
    •
    children under 12 years of age: do not use
  • OTHER INFORMATION

    •
    do not use if foil inner seal is broken or missing.
    •
    store between 20-25°C (68-77°F)
  • INACTIVE INGREDIENTS

    carbomer homopolymer type B; hypromellos, magnesium stearate,  microcrystalline cellulose, sodium starch glycolate

  • QUESTIONS OR COMMENTS

    Contact 1-877-770-3183
    Mon-Fri 8:00 AM EST to 5:00 PM PST.

    All trademarks are property of their respective owners.MUCINEX is the registered trademark of Reckitt Benckiser LLC.

  • PRINCIPAL DISPLAY PANEL

    82804-265-20
  • INGREDIENTS AND APPEARANCE
    GUAIFENESIN 
    guaifenesin tablet, extended release
    Product Information
    Product TypeHUMAN OTC DRUGItem Code (Source)NDC:82804-265(NDC:70010-199)
    Route of AdministrationORAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    GUAIFENESIN (UNII: 495W7451VQ) (GUAIFENESIN - UNII:495W7451VQ) GUAIFENESIN600 mg
    Inactive Ingredients
    Ingredient NameStrength
    SODIUM STARCH GLYCOLATE TYPE A POTATO (UNII: 5856J3G2A2)  
    MAGNESIUM STEARATE (UNII: 70097M6I30)  
    CARBOMER HOMOPOLYMER TYPE B (ALLYL SUCROSE CROSSLINKED) (UNII: Z135WT9208)  
    MICROCRYSTALLINE CELLULOSE (UNII: OP1R32D61U)  
    HYPROMELLOSE 2910 (5 MPA.S) (UNII: R75537T0T4)  
    HYPROMELLOSE 2910 (10000 MPA.S) (UNII: 0HO1H52958)  
    Product Characteristics
    ColorwhiteScoreno score
    ShapeOVALSize16mm
    FlavorImprint Code G;600
    Contains    
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:82804-265-2020 in 1 BOTTLE; Type 0: Not a Combination Product02/02/2026
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    ANDAANDA21342008/19/2022
    Labeler - Proficient Rx LP (079196022)
    Establishment
    NameAddressID/FEIBusiness Operations
    Proficient Rx LP079196022REPACK(82804-265) , RELABEL(82804-265)
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