FDA.reportPublic FDA data

Mucinex® Fast-Max

Manufacturer
Reckitt Benckiser LLC
Effective date
2026-05-18
Label type
HUMAN OTC DRUG LABEL
Version
4
Source
daily-update
Hydrated at
2026-10-09 01:01:54

Label at a glance#

ProductMucinex Fast-Max Kickstart Severe Cold and Flu
Active ingredientACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, PHENYLEPHRINE HYDROCHLORIDE
Label structure9 sections

Indications and uses

temporarily relieves these common cold and flu symptoms: cough nasal congestion minor aches and pains sore throat headache stuffy nose sinus congestion and pressure temporarily reduces fever helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive

Dosage and administration

do not take more than directed (see Overdose warning ) 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 adults and children 12 years of age and over: 20 mL in dosing cup provided every 4 hours children under 12 years of age: do not use

Storage and handling

each 20 mL contains: sodium 9 mg store at 20-25°C (68-77°F) do not refrigerate

Label contents#

Full prescribing information#

SPL UNCLASSIFIED SECTION

Drug Facts

OTC - ACTIVE INGREDIENT SECTION

OTC - PURPOSE SECTION

Active ingredients (in each 20 mL)Purposes
Acetaminophen 650 mgPain reliever/fever reducer
Dextromethorphan HBr 20 mgCough suppressant
Guaifenesin 400 mgExpectorant
Phenylephrine HCl 10 mgNasal decongestant

Uses

INDICATIONS & USAGE SECTION

  • temporarily relieves these common cold and flu symptoms:
    • cough
    • nasal congestion
    • minor aches and pains
    • sore throat
    • headache
    • stuffy nose
    • sinus congestion and pressure
  • temporarily reduces fever
  • helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive

Warnings

WARNINGS SECTION

Liver warning

SPL UNCLASSIFIED SECTION

This product contains acetaminophen. Severe liver damage may occur if you take:

  • more than 6 doses in 24 hours, which is the maximum daily amount
  • with other drugs containing acetaminophen
  • 3 or more alcoholic drinks daily while using this product

Allergy alert

SPL UNCLASSIFIED SECTION

Acetaminophen may cause severe skin reactions. Symptoms may include:

  • skin reddening
  • blisters
  • rash

If a skin reaction occurs, stop use and seek medical help right away.

Sore throat warning

SPL UNCLASSIFIED SECTION

If sore throat is severe, persists for more than 2 days, is accompanied or followed by fever, headache, rash, nausea, or vomiting, consult a doctor promptly.

Do not use

OTC - DO NOT USE SECTION

  • with any other drug containing acetaminophen (prescription or nonprescription). If you are not sure whether a drug contains acetaminophen, ask a doctor or pharmacist.
  • 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

OTC - ASK DOCTOR SECTION

  • liver disease
  • 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)

OTC - ASK DOCTOR/PHARMACIST SECTION

Ask a doctor or pharmacist before use if you are taking the blood thinning drug warfarin

OTC - WHEN USING SECTION

When using this product do not use more than directed

Stop use and ask a doctor if

OTC - STOP USE SECTION

  • nervousness, dizziness, or sleeplessness occur
  • pain, nasal congestion, or cough gets worse or lasts more than 7 days
  • fever gets worse or lasts more than 3 days
  • redness or swelling is present
  • new symptoms occur
  • cough comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition.

OTC - PREGNANCY OR BREAST FEEDING SECTION

If pregnant or breast-feeding, ask a health professional before use.

OTC - KEEP OUT OF REACH OF CHILDREN SECTION

Keep out of reach of children.

Overdose warning

SPL UNCLASSIFIED SECTION

Taking more than the recommended dose (overdose) may cause liver damage. In case of overdose, get medical help or contact a Poison Control Center right away. Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms.

Directions

DOSAGE & ADMINISTRATION SECTION

  • do not take more than directed (see Overdose warning)
  • 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
  • adults and children 12 years of age and over: 20 mL in dosing cup provided every 4 hours
  • children under 12 years of age: do not use

Other information

STORAGE AND HANDLING SECTION

  • each 20 mL contains: sodium 9 mg
  • store at 20-25°C (68-77°F)
  • do not refrigerate

Inactive ingredients

INACTIVE INGREDIENT SECTION

anhydrous citric acid, D&C yellow no.10, edetate disodium, FD&C blue no.1, flavors, glycerin, propyl gallate, propylene glycol, sodium benzoate, sodium citrate, sorbitol, sucralose, water, xanthan gum

Questions?

OTC - QUESTIONS SECTION

1-866-MUCINEX (1-866-682-4639)

You may also report side effects to this phone number.

PRINCIPAL DISPLAY PANEL - 180 mL Bottle Label

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

NDC 72854-138-66

MAXIMUM STRENGTH

Mucinex®

FAST-MAX ®

COLD & FLU

KICKSTART

Acetaminophen – Pain Reliever/Fever Reducer

Dextromethorphan HBr – Cough Suppressant

Guaifenesin – Expectorant

Phenylephrine HCl – Nasal Decongestant

HEADACHE

SORE THROAT

CHEST CONGESTION

BODY PAIN

FEVER

COUGH

ALL IN

ONE*

NASAL CONGESTION

SINUS CONGESTION

SINUS PRESSURE

6 FL OZ (180 mL)

FOR AGES 12 +

labellabel

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
72854-138-66ML - Milliliter72854-13812a5d25f-5889-428e-9341-9b72ca0ba5b212024-03-12

Products#

Every source-derived product name is available through these pages.

DailyMed product names page 1 of 1 · 21 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
72854-13872854-138-66

Ingredients#

Every source-derived ingredient row is available through these pages.

DailyMed ingredient rows page 1 of 1 · 17 matching rows.

Name, UNII, Kind table
NameUNIIKind
ACETAMINOPHEN362O9ITL9DACTIB
DEXTROMETHORPHAN HYDROBROMIDE9D2RTI9KYHACTIB
GUAIFENESIN495W7451VQACTIB
PHENYLEPHRINE HYDROCHLORIDE04JA59TNSJACTIB
ANHYDROUS CITRIC ACIDXF417D3PSLIACT
D&C YELLOW NO. 1035SW5USQ3GIACT
EDETATE DISODIUM7FLD91C86KIACT
FD&C BLUE NO. 1H3R47K3TBDIACT
GLYCERINPDC6A3C0OXIACT
PROPYL GALLATE8D4SNN7V92IACT
PROPYLENE GLYCOL6DC9Q167V3IACT
SODIUM BENZOATEOJ245FE5EUIACT
SODIUM CITRATE, UNSPECIFIED FORM1Q73Q2JULRIACT
SORBITOL506T60A25RIACT
SUCRALOSE96K6UQ3ZD4IACT
WATER059QF0KO0RIACT
XANTHAN GUMTTV12P4NEEIACT

Source Document#

Source XML

Older Hydrated Versions#

Version, Effective date, Source table
VersionEffective dateSourceHydrated
32024-12-23full-release2026-06-01 00:48:35

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 3 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
MUCINEX FAST MAX Liquid Cold and Flu Kickstart and MUCINEX Nightshift KickstartACETAMINOPHEN, DEXTROMETHORPHAN HBR, GUAIFENESIN, PHENYLEPHRINE HCI, TRIPROLIDINE HCIReckitt Benckiser LLCfdb70793-5dd1-0455-e053-6394a90ac6212026-05-19WarningsExact identifier
ndc (package): 72854-138-66
ndc11 (package): 72854013866
Mucinex Fast-Max Kickstart Severe Cold and Flu and Mucinex Fast-Max Recharge Nighttime Cold and FluACETAMINOPHEN, DEXTROMETHORPHAN HBR, GUAIFENESIN, PHENYLEPHRINE HCL, AND TRIPROLIDINE HCLRB Health (US) LLC4cc490a6-a27a-a25b-e063-6294a90a3a952026-03-11WarningsExact identifier
ndc (package): 72854-138-66
ndc11 (package): 72854013866
Mucinex Fast-Max Kickstart Severe Cold and FluACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, AND PHENYLEPHRINE HYDROCHLORIDERB Health (US) LLCfda745ca-b486-47ca-e053-6394a90a87c32024-12-23WarningsExact identifier
ndc (package): 72854-138-66
ndc (product): 72854-138
ndc11 (package): 72854013866
spl set id: fda745ca-b486-47ca-e053-6394a90a87c3

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.