Label: MUCINEX FAST-MAX SEVERE CONGESTION AND COUGH- guaifenesin, phenylephrine hydrochloride, and dextromethorphan hydrobromide tablet, film coated

  • DEA Schedule: None
  • Marketing Status: OTC monograph final

DISCLAIMER: Most OTC drugs are not reviewed and approved by FDA, however they may be marketed if they comply with applicable regulations and policies. FDA has not evaluated whether this product complies.

Drug Label Information

Updated January 27, 2022

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


    Drug Facts


    Active ingredients (in each caplet)Purposes
    Dextromethorphan HBr 10 mgCough suppressant
    Guaifenesin 200 mgExpectorant
    Phenylephrine HCl 5 mgNasal decongestant
  • 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
      • nasal congestion due to 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

    • heart disease
    • diabetes
    • high blood pressure
    • thyroid disease
    • trouble urinating due to an enlarged prostate gland
    • 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

    • nervousness, dizziness, or sleeplessness occur
    • symptoms do not get better within 7 days or occur with fever
    • cough 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 right away.

  • Directions

    • do not take more than 12 caplets in any 24-hour period
    • adults and children 12 years of age and over: take 2 caplets every 4 hours
    • children under 12 years of age: do not use
  • Other information

    • store between 20-25°C (68-77°F)
  • Inactive ingredients

    corn starch, FD&C blue no. 2 aluminum lake, FD&C red no. 40 aluminum lake, magnesium stearate, maltodextrin, mica, microcrystalline cellulose, polyethylene glycol, polysorbate 80, polyvinyl alcohol, povidone, silicon dioxide, sodium starch glycolate, stearic acid, talc, titanium dioxide

  • Questions?

    1-866-MUCINEX (1-866-682-4639)
    You may also report side effects to this phone number.


    Dist. by: Reckitt Benckiser, Parsippany, NJ 07054-0224

  • PRINCIPAL DISPLAY PANEL - 20 Caplet Blister Pack Carton

    NDC 63824-515-01


    & COUGH

    Dextromethorphan HBr – Cough Suppressant
    Guaifenesin – Expectorant
    Phenylephrine HCl – Nasal Decongestant

    Controls Cough
    Relieves Nasal & Chest Congestion
    Thins & Loosens Mucus

    20 CAPLETS
    FOR AGES 12+

    PRINCIPAL DISPLAY PANEL - 20 Caplet Blister Pack Carton
    guaifenesin, phenylephrine hydrochloride, and dextromethorphan hydrobromide tablet, film coated
    Product Information
    Product TypeHUMAN OTC DRUGItem Code (Source)NDC:63824-515
    Route of AdministrationORAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    Guaifenesin (UNII: 495W7451VQ) (Guaifenesin - UNII:495W7451VQ) Guaifenesin200 mg
    Phenylephrine Hydrochloride (UNII: 04JA59TNSJ) (Phenylephrine - UNII:1WS297W6MV) Phenylephrine Hydrochloride5 mg
    Dextromethorphan Hydrobromide (UNII: 9D2RTI9KYH) (Dextromethorphan - UNII:7355X3ROTS) Dextromethorphan Hydrobromide10 mg
    Inactive Ingredients
    Ingredient NameStrength
    starch, corn (UNII: O8232NY3SJ)  
    FD&C blue no. 2 (UNII: L06K8R7DQK)  
    aluminum oxide (UNII: LMI26O6933)  
    FD&C red no. 40 (UNII: WZB9127XOA)  
    magnesium stearate (UNII: 70097M6I30)  
    maltodextrin (UNII: 7CVR7L4A2D)  
    mica (UNII: V8A1AW0880)  
    microcrystalline cellulose (UNII: OP1R32D61U)  
    polyethylene glycol, unspecified (UNII: 3WJQ0SDW1A)  
    polysorbate 80 (UNII: 6OZP39ZG8H)  
    polyvinyl alcohol, unspecified (UNII: 532B59J990)  
    povidone, unspecified (UNII: FZ989GH94E)  
    silicon dioxide (UNII: ETJ7Z6XBU4)  
    sodium starch glycolate type a potato (UNII: 5856J3G2A2)  
    stearic acid (UNII: 4ELV7Z65AP)  
    talc (UNII: 7SEV7J4R1U)  
    titanium dioxide (UNII: 15FIX9V2JP)  
    Product Characteristics
    ColorREDScoreno score
    FlavorImprint Code SRS
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:63824-515-012 in 1 CARTON08/01/2018
    110 in 1 BLISTER PACK; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    OTC monograph finalpart34108/01/2018
    Labeler - RB Health (US) LLC (081049410)