FDA.reportPublic FDA data

Maximum Strength Mucinex® Fast-Max

Manufacturer
Reckitt Benckiser LLC
Effective date
2026-05-12
Label type
HUMAN OTC DRUG LABEL
Version
6
Source
full-release
Hydrated at
2026-06-01 01:57:15

Label at a glance#

ProductMaximum Strength Mucinex Fast-Max Cold and Flu
Active ingredientACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, PHENYLEPHRINE HYDROCHLORIDE
Label structure10 sections

Indications and uses

temporarily relieves these common cold and flu symptoms: nasal congestion headache cough minor aches and pains sore throat 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 12 liquid gels in any 24-hour period adults and children 12 years of age and over: take 2 liquid gels every 4 hours children under 12 years of age: do not use

Storage and handling

store at 20-25°C (68-77°F) avoid excessive heat

Label contents#

Full prescribing information#

SPL UNCLASSIFIED SECTION

Drug Facts

OTC - ACTIVE INGREDIENT SECTION

OTC - PURPOSE SECTION

Active ingredients (in each liquid gel)Purposes
Acetaminophen 325 mgPain reliever/fever reducer
Dextromethorphan HBr 10 mgCough suppressant
Guaifenesin 200 mgExpectorant
Phenylephrine HCl 5 mgNasal decongestant

Uses

INDICATIONS & USAGE SECTION

  • temporarily relieves these common cold and flu symptoms:
    • nasal congestion
    • headache
    • cough
    • minor aches and pains
    • sore throat
    • 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 12 liquid gels 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.

OTC - DO NOT USE SECTION

Do not use

  • 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.

OTC - ASK DOCTOR SECTION

Ask a doctor before use if you have

  • 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 aretaking the blood thinning drug warfarin

OTC - WHEN USING SECTION

When using this product do not use more than directed

OTC - STOP USE SECTION

Stop use and ask a doctor if

  • 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 12 liquid gels in any 24-hour period
  • adults and children 12 years of age and over: take 2 liquid gels every 4 hours
  • children under 12 years of age: do not use

Other information

STORAGE AND HANDLING SECTION

  • store at 20-25°C (68-77°F)
  • avoid excessive heat

Inactive ingredients

INACTIVE INGREDIENT SECTION

FD&C yellow no. 6, gelatin, glycerin, lecithin (soy), mineral oil, polyethylene glycol, povidone, propylene glycol, purified water, shellac, sorbitol sorbitan solution, titanium dioxide

Questions?

OTC - QUESTIONS SECTION

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

You may also report side effects to this phone number.

SPL UNCLASSIFIED SECTION

Dist. by: RB Health (US)
Parsippany, NJ 07054-0224

Made in China

PRINCIPAL DISPLAY PANEL - 16 Liquid Gel Blister Pack Carton

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

Fast Dissolving Liquid Gels!

NDC 63824-518-16

MAXIMUM STRENGTH
Mucinex®
FAST-MAX ®

COLD & FLU

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

16
LIQUID GELS
(Liquid Filled Capsules)

FOR AGES 12 +

PRINCIPAL DISPLAY PANEL - 16 Liquid Gel Blister Pack Carton
PRINCIPAL DISPLAY PANEL - 16 Liquid Gel Blister Pack Carton

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYSPL version
1656815acetaminophen 325 MG / dextromethorphan HBr 10 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral CapsulePSN6
1656815acetaminophen 325 MG / dextromethorphan hydrobromide 10 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral CapsuleSCD6
1656815APAP 325 MG / Dextromethorphan Hydrobromide 10 MG / Guaifenesin 200 MG / Phenylephrine Hydrochloride 5 MG Oral CapsuleSY6

DailyMed Pharmacologic Classes#

Class, Version, Type table
ClassVersionTypeEffective
DEXTROMETHORPHAN Pharmacologic Class Indexing2Indexing - Pharmacologic Class20180813
GUAIFENESIN Pharmacologic Class Indexing1Indexing - Pharmacologic Class20211129
PHENYLEPHRINE Pharmacologic Class Indexing2Indexing - Pharmacologic Class20180813

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
63824-518-08Maximum Strength Mucinex Fast-Max Cold and Flu8 in 1 BLISTER PACKCAPSULE, LIQUID FILLED86
63824-518-08Maximum Strength Mucinex Fast-Max Cold and Flu1 in 1 CARTONCAPSULE, LIQUID FILLED16
63824-518-16Maximum Strength Mucinex Fast-Max Cold and Flu8 in 1 BLISTER PACKCAPSULE, LIQUID FILLED86
63824-518-16Maximum Strength Mucinex Fast-Max Cold and Flu2 in 1 CARTONCAPSULE, LIQUID FILLED26

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
63824-518-16EA - Each63824-518a48c4a0b-f2f4-4f6b-b32b-b49a0ad3038e12019-11-12

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
63824-51863824-518-16, 63824-518-08

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
FD&C YELLOW NO. 6H77VEI93A8IACT
GELATIN, UNSPECIFIED2G86QN327LIACT
GLYCERINPDC6A3C0OXIACT
LECITHIN, SOYBEAN1DI56QDM62IACT
MINERAL OILT5L8T28FGPIACT
POLYETHYLENE GLYCOL, UNSPECIFIED3WJQ0SDW1AIACT
POVIDONE, UNSPECIFIEDFZ989GH94EIACT
PROPYLENE GLYCOL6DC9Q167V3IACT
WATER059QF0KO0RIACT
SHELLAC46N107B71OIACT
TITANIUM DIOXIDE15FIX9V2JPIACT
SORBITAN6O92ICV9RUIACT
SORBITOL506T60A25RIACT
ACETAMINOPHEN362O9ITL9DACTIB
DEXTROMETHORPHAN HYDROBROMIDE9D2RTI9KYHACTIB
GUAIFENESIN495W7451VQACTIB
PHENYLEPHRINE HYDROCHLORIDE04JA59TNSJACTIB

Source Document#

Source XML

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 · 1 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
Maximum Strength Mucinex Fast-Max Cold and FluACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, AND PHENYLEPHRINE HYDROCHLORIDEReckitt Benckiser LLCfe7eeb71-e219-4c84-ac06-98c3a40b14dc2026-05-12WarningsExact identifier
ndc (package): 63824-518-08
ndc (package): 63824-518-16
ndc (product): 63824-518
ndc11 (package): 63824051816
ndc11 (package): 63824051808
spl id: 51a452ea-cabe-dbe7-e063-6294a90ac838
spl set id: fe7eeb71-e219-4c84-ac06-98c3a40b14dc

Reported adverse events (FAERS/openFDA)#

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