Mucinex® Fast-max® Liquid Gels - Day Night Cold & Flu
3856c1e4-814f-85c4-e063-6394a90ab8a8
34390-5
HUMAN OTC DRUG LABEL
Drug Facts
Composition & Product
Identifiers & Packaging
Description
Purpose Day: Acetaminophen 325 mg...Pain reliever/fever reducer Dextromethorphan HBr 10 mg.......Cough suppressant Purpose Night: Acetaminophen 325 mg...Pain reliever/fever reducer Dextromethorphan HBr 10 mg.......Cough suppressant Doxylamine succinate 6.25 mg............. Antihistamine
Medication Information
Warnings and Precautions
Day:
Liver warning: This product contains
acetaminophen. Severe liver damage may occur if
you take:
■ more than 12 capsules in 24 hours, which is the
maximum daily amount for this product
■ with other drugs containing acetaminophen
■ 3 or more alcoholic drinks daily while using this
product
Allergy alert: 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: 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
■ 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
■ liver disease
■ persistent or chronic cough such as occurs with
smoking, asthma, or emphysema
■ cough that occurs with too much phlegm (mucus)
Ask a doctor or pharmacist before use if you are
taking the blood thinning drug warfarin
When using this product do not use more than
directed
Stop use and ask a doctor if
■ pain 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 rash or
headache that lasts. These could be signs of a
serious condition.
Overdose warning: 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.
Night:
Severe liver damage may occur if you take:
■ more than 12 capsules in 24 hours, which is the
maximum daily amount for this product
■ with other drugs containing acetaminophen
■ 3 or more alcoholic drinks daily while using this
product
Allergy alert: 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: 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
■ 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
■ liver disease ■ glaucoma
■ trouble urinating due to an enlarged prostate
gland
■ a breathing problem such as emphysema or
chronic bronchitis
■ persistent or chronic cough such as occurs with
smoking, asthma, or emphysema
■ cough that occurs with too much phlegm (mucus)
Ask a doctor or pharmacist before use if you are
■ taking the blood thinning drug warfarin
■ taking sedatives or tranquilizers
When using this product
■ do not use more than directed
■ excitability may occur, especially in children
■ marked drowsiness may occur
■ alcohol, sedatives, and tranquilizers may
increase drowsiness
■ avoid alcoholic drinks
■ use caution when driving a motor vehicle or
operating machinery
Indications and Usage
Day:
■ temporarily relieves these common cold and flu
symptoms:
■ 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
■ minor aches and pains ■ sore throat
■ headache
■ temporarily reduces fever
Night:
■ temporarily relieves these common cold and flu
symptoms:
■ cough ■ minor aches and pains
■ sore throat ■ headache ■ runny nose
■ sneezing
■ itching of the nose or throat
■ itchy, watery eyes due to hay fever
■ temporarily reduces fever
■ controls cough to help you get to sleep
Dosage and Administration
Day:
Directions
■ do not take more than directed (see Overdose
warning)
■ do not take more than 12 capsules in any 24-hour
period
■ adults and children 12 years of age and over: take 2
capsules every 4 hours
■ children under 12 years of age: do not use
Night:
Directions
■ do not take more than directed (see Overdose
warning)
■ do not take more than 12 capsules in any 24-hour
period
■ adults and children 12 years of age and over: take 2
capsules every 4 hours
■ children under 12 years of age: do not use
Description
Purpose Day: Acetaminophen 325 mg...Pain reliever/fever reducer Dextromethorphan HBr 10 mg.......Cough suppressant Purpose Night: Acetaminophen 325 mg...Pain reliever/fever reducer Dextromethorphan HBr 10 mg.......Cough suppressant Doxylamine succinate 6.25 mg............. Antihistamine
Section 50565-1
If pregnant or breast-feeding, ask a health
professional before use.
Keep out of reach of children.
Overdose warning: 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.
Section 51727-6
Day:
FD&C red no. 40, FD&C yellow no. 6, gelatin, glycerin,
hypromellose, isopropyl alcohol, lecithin (sunflower),
light mineral oil, mannitol, polyethylene glycol 400,
povidone, propylene glycol, purified water, 1,4-sorbitan,
sorbitol, titanium dioxide
Night:
D&C yellow no. 10, FD&C blue no. 1, gelatin, glycerin,
hypromellose, isopropyl alcohol, lecithin (sunflower),
light mineral oil, mannitol, polyethylene glycol 400,
povidone, propylene glycol, purified water, 1,4-sorbitan,
sorbitol, titanium dioxide
Section 51945-4
Section 53413-1
Questions? 1-866-MUCINEX (1-866-682-4639)
Section 55105-1
Purpose Day:
Acetaminophen 325 mg...Pain reliever/fever reducer
Dextromethorphan HBr 10 mg.......Cough suppressant
Purpose Night:
Acetaminophen 325 mg...Pain reliever/fever reducer
Dextromethorphan HBr 10 mg.......Cough suppressant
Doxylamine succinate 6.25 mg............. Antihistamine
Section 55106-9
Day:
Acetaminophen 325 mg
Dextromethorphan HBr 10 mg
Night:
Acetaminophen 325 mg
Dextromethorphan HBr 10 mg
Doxylamine succinate 6.25 mg
Section 60561-8
Other information
■ store at 20-25°C (68-77°F)
■ avoid excessive heat
Structured Label Content
Indications and Usage (34067-9)
Day:
■ temporarily relieves these common cold and flu
symptoms:
■ 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
■ minor aches and pains ■ sore throat
■ headache
■ temporarily reduces fever
Night:
■ temporarily relieves these common cold and flu
symptoms:
■ cough ■ minor aches and pains
■ sore throat ■ headache ■ runny nose
■ sneezing
■ itching of the nose or throat
■ itchy, watery eyes due to hay fever
■ temporarily reduces fever
■ controls cough to help you get to sleep
Dosage and Administration (34068-7)
Day:
Directions
■ do not take more than directed (see Overdose
warning)
■ do not take more than 12 capsules in any 24-hour
period
■ adults and children 12 years of age and over: take 2
capsules every 4 hours
■ children under 12 years of age: do not use
Night:
Directions
■ do not take more than directed (see Overdose
warning)
■ do not take more than 12 capsules in any 24-hour
period
■ adults and children 12 years of age and over: take 2
capsules every 4 hours
■ children under 12 years of age: do not use
Warnings and Precautions (34071-1)
Day:
Liver warning: This product contains
acetaminophen. Severe liver damage may occur if
you take:
■ more than 12 capsules in 24 hours, which is the
maximum daily amount for this product
■ with other drugs containing acetaminophen
■ 3 or more alcoholic drinks daily while using this
product
Allergy alert: 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: 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
■ 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
■ liver disease
■ persistent or chronic cough such as occurs with
smoking, asthma, or emphysema
■ cough that occurs with too much phlegm (mucus)
Ask a doctor or pharmacist before use if you are
taking the blood thinning drug warfarin
When using this product do not use more than
directed
Stop use and ask a doctor if
■ pain 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 rash or
headache that lasts. These could be signs of a
serious condition.
Overdose warning: 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.
Night:
Severe liver damage may occur if you take:
■ more than 12 capsules in 24 hours, which is the
maximum daily amount for this product
■ with other drugs containing acetaminophen
■ 3 or more alcoholic drinks daily while using this
product
Allergy alert: 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: 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
■ 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
■ liver disease ■ glaucoma
■ trouble urinating due to an enlarged prostate
gland
■ a breathing problem such as emphysema or
chronic bronchitis
■ persistent or chronic cough such as occurs with
smoking, asthma, or emphysema
■ cough that occurs with too much phlegm (mucus)
Ask a doctor or pharmacist before use if you are
■ taking the blood thinning drug warfarin
■ taking sedatives or tranquilizers
When using this product
■ do not use more than directed
■ excitability may occur, especially in children
■ marked drowsiness may occur
■ alcohol, sedatives, and tranquilizers may
increase drowsiness
■ avoid alcoholic drinks
■ use caution when driving a motor vehicle or
operating machinery
Section 50565-1 (50565-1)
If pregnant or breast-feeding, ask a health
professional before use.
Keep out of reach of children.
Overdose warning: 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.
Section 51727-6 (51727-6)
Day:
FD&C red no. 40, FD&C yellow no. 6, gelatin, glycerin,
hypromellose, isopropyl alcohol, lecithin (sunflower),
light mineral oil, mannitol, polyethylene glycol 400,
povidone, propylene glycol, purified water, 1,4-sorbitan,
sorbitol, titanium dioxide
Night:
D&C yellow no. 10, FD&C blue no. 1, gelatin, glycerin,
hypromellose, isopropyl alcohol, lecithin (sunflower),
light mineral oil, mannitol, polyethylene glycol 400,
povidone, propylene glycol, purified water, 1,4-sorbitan,
sorbitol, titanium dioxide
Section 51945-4 (51945-4)
Section 53413-1 (53413-1)
Questions? 1-866-MUCINEX (1-866-682-4639)
Section 55105-1 (55105-1)
Purpose Day:
Acetaminophen 325 mg...Pain reliever/fever reducer
Dextromethorphan HBr 10 mg.......Cough suppressant
Purpose Night:
Acetaminophen 325 mg...Pain reliever/fever reducer
Dextromethorphan HBr 10 mg.......Cough suppressant
Doxylamine succinate 6.25 mg............. Antihistamine
Section 55106-9 (55106-9)
Day:
Acetaminophen 325 mg
Dextromethorphan HBr 10 mg
Night:
Acetaminophen 325 mg
Dextromethorphan HBr 10 mg
Doxylamine succinate 6.25 mg
Section 60561-8 (60561-8)
Other information
■ store at 20-25°C (68-77°F)
■ avoid excessive heat
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Source: dailymed · Ingested: 2026-02-15T12:06:29.828645 · Updated: 2026-03-14T23:09:18.179019