Label: MUCUS RELIEF- guaifenesin tablet, film coated

  • NDC Code(s): 63981-532-03, 63981-532-06, 63981-532-36
  • Packager: COSTCO WHOLESALE CORPORATION
  • Category: HUMAN OTC DRUG LABEL
  • DEA Schedule: None

Drug Label Information

Updated November 7, 2023

If you are a consumer or patient please visit this version.

View All Sections
  • Active ingredient (in each immediate-release tablet)

    Guaifenesin 400 mg

  • Purpose

    Expectorant

  • Uses

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

  • Warnings

    Ask a doctor before use if you have

    • cough accompanied by too much phlegm (mucus)
    • persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema

    Stop use and ask a doctor if

    cough persists more than 7 days, tends to recur, or is accompanied by a 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 right away.

  • Directions

    • take with a full glass of water
    • adults and children 12 years and over: 1 tablet every 4 hours. Do not take more than 6 tablets in 24 hours.
    • children under 12 years: do not use
  • Other information

    • store at 25ºC (77ºF); excursions permitted between 15º-30ºC (59º-86ºF)
    • see end flap for expiration date and lot number
  • Inactive ingredients

    FD&C blue #1 aluminum lake, hypromellose, magnesium stearate, maltodextrin, microcrystalline cellulose, polyethylene glycol, povidone, silicon dioxide, sodium starch glycolate, stearic acid

  • Questions or comments?

    1-800-426-9391

  • Principal Display Panel

    KIRKLAND
    Signature

    IMMEDIATE-RELEASE
    EXPECTORANT
    TABLETS

    NDC 63981-532-06
    ITM. / ART. 363881 

    MUCUS RELIEF
    CHEST
    Guaifenesin, 400 mg
    Expectorant

    Actual Size

    √Relieves Chest Congestion
         √Thins and Loosens Mucus
    √Makes Coughs More Productive

    2 x 200
    Immediate-Release
    Tablets

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

    50844      REV0118H53206
    Manufactured by: LNK INTERNATIONAL, INC.
    60 Arkay Drive, Hauppauge, NY 11788 USA

    For: Costco Wholesale Corporation
    P.O. Box 34535, Seattle, WA 98124-1535 USA
    1-800-774-2678
    www.costco.com

    Kirkland 44-532

    Kirkland 44-532

  • INGREDIENTS AND APPEARANCE
    MUCUS RELIEF 
    guaifenesin tablet, film coated
    Product Information
    Product TypeHUMAN OTC DRUGItem Code (Source)NDC:63981-532
    Route of AdministrationORAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    GUAIFENESIN (UNII: 495W7451VQ) (GUAIFENESIN - UNII:495W7451VQ) GUAIFENESIN400 mg
    Inactive Ingredients
    Ingredient NameStrength
    FD&C BLUE NO. 1 ALUMINUM LAKE (UNII: J9EQA3S2JM)  
    HYPROMELLOSE, UNSPECIFIED (UNII: 3NXW29V3WO)  
    MAGNESIUM STEARATE (UNII: 70097M6I30)  
    MALTODEXTRIN (UNII: 7CVR7L4A2D)  
    MICROCRYSTALLINE CELLULOSE (UNII: OP1R32D61U)  
    POLYETHYLENE GLYCOL, UNSPECIFIED (UNII: 3WJQ0SDW1A)  
    POVIDONE, UNSPECIFIED (UNII: FZ989GH94E)  
    SILICON DIOXIDE (UNII: ETJ7Z6XBU4)  
    SODIUM STARCH GLYCOLATE TYPE A POTATO (UNII: 5856J3G2A2)  
    STEARIC ACID (UNII: 4ELV7Z65AP)  
    Product Characteristics
    ColorblueScore2 pieces
    ShapeROUNDSize13mm
    FlavorImprint Code 44;532
    Contains    
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:63981-532-062 in 1 CARTON12/22/2005
    1200 in 1 BOTTLE, PLASTIC; Type 0: Not a Combination Product
    2NDC:63981-532-031 in 1 CARTON12/22/200511/19/2022
    210 in 1 BLISTER PACK; Type 0: Not a Combination Product
    3NDC:63981-532-361 in 1 CARTON12/22/200511/23/2021
    34 in 1 BLISTER PACK; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    OTC Monograph DrugM01212/22/2005
    Labeler - COSTCO WHOLESALE CORPORATION (103391843)
    Establishment
    NameAddressID/FEIBusiness Operations
    LNK International, Inc.038154464pack(63981-532)
    Establishment
    NameAddressID/FEIBusiness Operations
    LNK International, Inc.832867837manufacture(63981-532) , pack(63981-532)
    Establishment
    NameAddressID/FEIBusiness Operations
    LNK International, Inc.832867894manufacture(63981-532)
    Establishment
    NameAddressID/FEIBusiness Operations
    LNK International, Inc.967626305pack(63981-532)
    Establishment
    NameAddressID/FEIBusiness Operations
    LNK International, Inc.117025878manufacture(63981-532)
View All Sections

Find additional resources

(also available in the left menu)

Safety

Report Adverse Events, FDA Safety Recalls, Presence in Breast Milk

Related Resources

Medline Plus, Clinical Trials, PubMed, Biochemical Data Summary

More Info on this Drug

View Labeling Archives, RxNorm, Get Label RSS Feed, View NDC Code(s)NEW!