Mucinex® Fast-Max

Manufacturer
Reckitt Benckiser LLC
Effective date
2026-05-19
Label type
HUMAN OTC DRUG LABEL
Version
7
Source
full-release
Hydrated at
2026-06-01 01:58:12

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

Fast Dissolving Liquid Gels!

NDC 72854-129-24

MAXIMUM STRENGTH
Mucinex®
FAST-MAX ®

DAY
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

ACTUAL SIZE

FOR AGES 12+

16
LIQUID GELS
(Liquid Filled
Capsules)

NIGHT
COLD & FLU

Acetaminophen – Pain Reliever/
Fever Reducer
Dextromethorphan HBr – Cough Suppressant
Doxylamine succinate – Antihistamine
Phenylephrine HCl – Nasal Decongestant

HEADACHE
SORE THROAT
ITCHY THROAT
BODY PAIN
FEVER
COUGH

ALL IN
ONE*

NASAL CONGESTION
SNEEZING
RUNNY NOSE

ACTUAL SIZE

8
LIQUID GELS
(Liquid Filled
Capsules)

TOTAL 24
LIQUID GELS

PRINCIPAL DISPLAY PANEL - Kit Carton
PRINCIPAL DISPLAY PANEL - Kit Carton

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) } PackGPCK7
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) PackPSN7
1297288acetaminophen 325 MG / dextromethorphan HBr 10 MG / doxylamine succinate 6.25 MG / phenylephrine HCl 5 MG Oral CapsulePSN7
1656815acetaminophen 325 MG / dextromethorphan HBr 10 MG / guaiFENesin 200 MG / phenylephrine HCl 5 MG Oral CapsulePSN7
1297288acetaminophen 325 MG / dextromethorphan hydrobromide 10 MG / doxylamine succinate 6.25 MG / phenylephrine hydrochloride 5 MG Oral CapsuleSCD7
1656815acetaminophen 325 MG / dextromethorphan hydrobromide 10 MG / guaifenesin 200 MG / phenylephrine hydrochloride 5 MG Oral CapsuleSCD7
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) PackSY7
1297288APAP 325 MG / Dextromethorphan Hydrobromide 10 MG / doxylamine succinate 6.25 MG / Phenylephrine Hydrochloride 5 MG Oral CapsuleSY7
1656815APAP 325 MG / Dextromethorphan Hydrobromide 10 MG / Guaifenesin 200 MG / Phenylephrine Hydrochloride 5 MG Oral CapsuleSY7

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

Product Linked Resources#

Resource, Code type, Value table
ResourceCode typeValueEquivalent identifiersSource image
Data codeData Matrix3179618mucinex-01.jpg

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
e4e263da-1c53-440f-bb80-b7a575843b5aProduct name120260313
d2168cac-a261-415a-9c78-3522859fa720Product name320251124
bf324df6-7127-7deb-def5-2681c136cd03Product name320250325
05a8cdd1-eeb8-409e-b938-0778225eca7dProduct name420250221
e5b5c132-b15d-435b-9faa-2f74e5cadcf9Product name820250220
59361619-24d9-b610-eca6-5a7f25ed5e03Product name520240909
f489e8f3-5c9e-4818-b539-a73587edcfc7Product name220240229
0f7ae452-206d-4fc4-868d-56fc47074084Product name120231011
43a1ed49-eae2-4840-8075-cb4b33478540Product name120230425
ba088a92-ab5e-b2d4-e908-f5ea691b7587Product name720210201
b5abe2e3-39a1-43eb-9bff-f3c1653fe3dfProduct name220190930
f4368033-af8c-41bf-a84b-ff77392b8522Product name120161229
e0b6c8be-f2bd-9f86-a9fc-3ed56ffaa814Product name320150910
4fe95224-f543-4dbb-9445-8cca122b48c8Product name120150609
e8718272-64cb-4436-969b-176c3067c8f4Product name120150609
106ff02a-57e1-4c4c-a307-fd582ff4e311Product name120150212
42f3c020-f1b3-89bc-7bdc-e1f10e680485Product name120140508
76633df9-0d59-4b88-03ed-21dee1b966f8Product name120140508
e949165d-714d-e548-2b76-0cb5def16f30Product name120140508

FDA-Initiated Inactive NDC Indexing#

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
72854-126-24Mucinex Fast-Max Day Cold and Flu and Night Cold and FluMaximum Strength8 in 1 BLISTER PACKCAPSULE, LIQUID FILLED16200 mg7
72854-129-24Mucinex Fast-Max Day Cold and Flu and Night Cold and FluMaximum Strength1 in 1 CARTONKIT17

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
72854-129-24EA - Each72854-129f8346b50-d99e-4f27-acbf-e8469019458f12022-06-06
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
72854-12972854-129-24
72854-12672854-126-24
72854-132

Ingredients#

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

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

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 LLC6c85df30-a601-4de6-9fd6-818265d799ff2026-05-19WarningsExact identifier
ndc (package): 72854-126-24
ndc (package): 72854-129-24
ndc (product): 72854-129
ndc11 (package): 72854012924
ndc11 (package): 72854012624
spl id: 522dcb34-6925-11c1-e063-6294a90a1981
spl set id: 6c85df30-a601-4de6-9fd6-818265d799ff
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.