FDA.reportPublic FDA data

Mucinex® Fast-Max

Manufacturer
Reckitt Benckiser LLC
Effective date
2026-05-19
Label type
HUMAN OTC DRUG LABEL
Version
8
Source
full-release
Hydrated at
2026-06-01 01:58:23

Label at a glance#

ProductMucinex Fast-Max Day Cold and Flu and Night Cold and Flu Maximum Strength
Active ingredientACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, PHENYLEPHRINE HYDROCHLORIDE, DOXYLAMINE SUCCINATE
Label structure11 sections

Indications and uses

temporarily relieves these common cold and flu symptoms: sinus congestion and pressure cough minor aches and pains headache nasal congestion sore throat runny nose (NIGHT only) sneezing (NIGHT only) itching of the nose or throat (NIGHT only) itchy, watery eyes due to hay fever (NIGHT only) helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs...

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)
Mucinex FAST-MAX DAY Cold & Flu 		Purposes
Acetaminophen 325 mgPain reliever/fever reducer
Dextromethorphan HBr 10 mgCough suppressant
Guaifenesin 200 mgExpectorant
Phenylephrine HCl 5 mgNasal decongestant
Active ingredients (in each liquid gel)
Mucinex FAST-MAX NIGHT Cold & Flu 		Purposes
Acetaminophen 325 mgPain reliever/fever reducer
Dextromethorphan HBr 10 mgCough suppressant
Doxylamine succinate 6.25 mgAntihistamine
Phenylephrine HCl 5 mgNasal decongestant

Uses

INDICATIONS & USAGE SECTION

  • temporarily relieves these common cold and flu symptoms:
    • sinus congestion and pressure
    • cough
    • minor aches and pains
    • headache
    • nasal congestion
    • sore throat
    • runny nose (NIGHT only)
    • sneezing (NIGHT only)
    • itching of the nose or throat (NIGHT only)
    • itchy, watery eyes due to hay fever (NIGHT only)
  • helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive (DAY only)
  • controls cough to help you get to sleep
  • temporarily reduces fever

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.

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
  • glaucoma (NIGHT only)
  • a breathing problem such as emphysema or chronic bronchitis (NIGHT only)
  • persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema
  • cough that occurs with too much phlegm (mucus)

Ask a doctor or pharmacist before use if you are

OTC - ASK DOCTOR/PHARMACIST SECTION

  • taking the blood thinning drug warfarin
  • taking sedatives or tranquilizers (NIGHT only)

When using this product

OTC - WHEN USING SECTION

  • do not use more than directed
  • excitability may occur, especially in children (NIGHT only)
  • marked drowsiness may occur (NIGHT only)
  • alcohol, sedatives, and tranquilizers may increase drowsiness (NIGHT only)
  • avoid alcoholic drinks (NIGHT only)
  • be careful when driving a motor vehicle or operating machinery (NIGHT only)

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 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 (DAY only)

INACTIVE INGREDIENT SECTION

FD&C yellow no. 6, gelatin, glycerin, hypromellose, isopropyl alcohol, lecithin, light mineral oil, polyethylene glycol, povidone, propylene glycol, sorbitol sorbitan solution, titanium dioxide, water

Inactive ingredients (NIGHT only)

INACTIVE INGREDIENT SECTION

D&C yellow no. 10, FD&C blue no. 1, gelatin, glycerin, hypromellose, isopropyl alcohol, lecithin, light mineral oil, polyethylene glycol, povidone, propylene glycol, sorbitol sorbitan solution, titanium dioxide, water

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

PRINCIPAL DISPLAY PANEL - Kit Carton

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

LabelLabel

label 2label 2

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYSPL version
2634364{1 (acetaminophen 325 MG / dextromethorphan hydrobromide 10 MG / doxylamine succinate 6.25 MG / phenylephrine hydrochloride 5 MG Oral Capsule) / 1 (acetaminophen 325 MG / dextromethorphan hydrobromide 10 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral Capsule) } PackGPCK8
26343641 daytime (acetaminophen 325 MG / dextromethorphan HBr 10 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral Capsule) / 1 nighttime (acetaminophen 325 MG / dextromethorphan HBr 10 MG / doxylamine succinate 6.25 MG / phenylephrine HCl 5 MG Oral Capsule) PackPSN8
1297288acetaminophen 325 MG / dextromethorphan HBr 10 MG / doxylamine succinate 6.25 MG / phenylephrine HCl 5 MG Oral CapsulePSN8
1656815acetaminophen 325 MG / dextromethorphan HBr 10 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral CapsulePSN8
1297288acetaminophen 325 MG / dextromethorphan hydrobromide 10 MG / doxylamine succinate 6.25 MG / phenylephrine hydrochloride 5 MG Oral CapsuleSCD8
1656815acetaminophen 325 MG / dextromethorphan hydrobromide 10 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral CapsuleSCD8
26343641 daytime (acetaminophen 325 MG / dextromethorphan HBr 10 MG / guaifenesin 200 MG / phenylephrine HCl 5 MG Oral Capsule) / 1 nighttime (acetaminophen 325 MG / dextromethorphan HBr 10 MG / doxylamine succinate 6.25 MG / phenylephrine HCl 5 MG Oral Capsule) PackSY8
1297288APAP 325 MG / Dextromethorphan Hydrobromide 10 MG / doxylamine succinate 6.25 MG / Phenylephrine Hydrochloride 5 MG Oral CapsuleSY8
1656815APAP 325 MG / Dextromethorphan Hydrobromide 10 MG / Guaifenesin 200 MG / Phenylephrine Hydrochloride 5 MG Oral CapsuleSY8

DailyMed Pharmacologic Classes#

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

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
59361619-24d9-b610-eca6-5a7f25ed5e03Product name520240909
f4368033-af8c-41bf-a84b-ff77392b8522Product name120161229

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
72854-144-10Mucinex Fast-Max Day Cold and Flu and Night Cold and FluMaximum Strength1 in 1 CARTONKIT18

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
72854-144-10EA - Each72854-144be84647f-96b8-4a6e-910a-4c0968884d8212024-03-12
72854-126-08EA - Each72854-1262589e0c9-897e-41e9-bd2d-9fd42ba079e412022-06-06
72854-126-10EA - Each72854-126ec8384e4-2cf5-4a8c-98a6-bacd4ba83ee012024-03-12
72854-126-16EA - Each72854-126e06efdf2-9dc2-4f58-bef4-db466529913d12022-05-04

Products#

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

DailyMed product names page 1 of 1 · 27 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
72854-14472854-144-10
72854-126
72854-132

Ingredients#

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

DailyMed ingredient rows page 1 of 1 · 31 matching rows.

Name, UNII, Kind table
NameUNIIKind
FD&C YELLOW NO. 6H77VEI93A8IACT
GELATIN, UNSPECIFIED2G86QN327LIACT
GLYCERINPDC6A3C0OXIACT
HYPROMELLOSE, UNSPECIFIED3NXW29V3WOIACT
ISOPROPYL ALCOHOLND2M416302IACT
LIGHT MINERAL OILN6K5787QVPIACT
POLYETHYLENE GLYCOL, UNSPECIFIED3WJQ0SDW1AIACT
POVIDONE, UNSPECIFIEDFZ989GH94EIACT
PROPYLENE GLYCOL6DC9Q167V3IACT
TITANIUM DIOXIDE15FIX9V2JPIACT
WATER059QF0KO0RIACT
ACETAMINOPHEN362O9ITL9DACTIB
DEXTROMETHORPHAN HYDROBROMIDE9D2RTI9KYHACTIB
GUAIFENESIN495W7451VQACTIB
PHENYLEPHRINE HYDROCHLORIDE04JA59TNSJACTIB
D&C YELLOW NO. 1035SW5USQ3GIACT
FD&C BLUE NO. 1H3R47K3TBDIACT
GELATIN, UNSPECIFIED2G86QN327LIACT
GLYCERINPDC6A3C0OXIACT
HYPROMELLOSE, UNSPECIFIED3NXW29V3WOIACT
ISOPROPYL ALCOHOLND2M416302IACT
LIGHT MINERAL OILN6K5787QVPIACT
POLYETHYLENE GLYCOL, UNSPECIFIED3WJQ0SDW1AIACT
POVIDONE, UNSPECIFIEDFZ989GH94EIACT
PROPYLENE GLYCOL6DC9Q167V3IACT
TITANIUM DIOXIDE15FIX9V2JPIACT
WATER059QF0KO0RIACT
ACETAMINOPHEN362O9ITL9DACTIB
DEXTROMETHORPHAN HYDROBROMIDE9D2RTI9KYHACTIB
DOXYLAMINE SUCCINATEV9BI9B5YI2ACTIB
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 · 2 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
Mucinex Fast-Max Day Cold and Flu and Night Cold and Flu Maximum StrengthACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, DOXYLAMINE SUCCINATE, AND PHENYLEPHRINE HYDROCHLORIDEReckitt Benckiser LLCfe44d1ee-1e03-b74f-e053-6294a90a8bb42026-05-19WarningsExact identifier
ndc (package): 72854-144-10
ndc (product): 72854-144
ndc11 (package): 72854014410
spl id: 522db6ef-3024-ecbc-e063-6394a90aae0d
spl set id: fe44d1ee-1e03-b74f-e053-6294a90a8bb4
Mucinex Fast-Max Cold and Flu Maximum StrengthACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, AND PHENYLEPHRINE HYDROCHLORIDEReckitt Benckiser LLC27312ee4-d1f4-4a95-9c45-91fa5a01f5ba2026-05-19WarningsExact identifier
ndc (product): 72854-126

Reported adverse events (FAERS/openFDA)#

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