pilldic.Your medicine dictionary
Text size
← US medicines
US · Over-the-counter medicine

Mucus Relief Cold Flu Sore ThroatMaximum Strength

Acetaminophen 650 mg, Dextromethorphan HBr 20 mg, Guaifenesin 400 mg, Phenylephrine HCl 10 mg
Dosage form
LIQUID
Labeler
Walgreens
Label updated
2024-07-16
Retrieved
2026-09-07
Active ingredients
ACETAMINOPHEN · DEXTROMETHORPHAN HYDROBROMIDE · GUAIFENESIN · PHENYLEPHRINE HYDROCHLORIDE
View original label and images on DailyMed ↗
Active ingredients (in each 20 mL)

Acetaminophen 650 mg 

Dextromethorphan HBr 20 mg

Guaifenesin 400 mg

Phenylephrine HCl 10 mg

Purposes

Pain reliever/fever reducer 

Cough suppressant

Expectorant

Nasal decongestant

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

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

  • more than 4,000 mg of acetaminophen in 24 hours
  • 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.
  • for children under 12 years of age
  • 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
  • heart disease
  • diabetes
  • thyroid disease
  • high blood pressure
  • persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis or emphysema
  • cough that occurs with too much phlegm (mucus)
  • trouble urinating due to an enlarged prostate gland

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

  • 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 rash or headache that lasts.

These could be signs of a serious condition.

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 (1-800-222-1222) 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
  • do not take more than directed (see overdose warning)
  • do not take more than 6 doses in any 24-hour period
  • measue only with dosing cup provided. Do not use any other dosing device.
  • keep dosing cup with product
  • mL = milliliter
  • dose as follows or as directed by a doctor
  • adults and children 12 years of age and older: 20 mL every 4 hours while symptoms last
  • children under 12 years of age: do not use

Other information
  • each 20 mL contains: sodium 12 mg
  • store between 20-25ºC (68-77ºF). Do not refrigerate.
Inactive ingredients

anhydrous citric acid, disodium EDTA,, FD&C blue #1, FD&C red #40, flavor, glycerin, propyl gallate, propylene glycol, purified water, sodium benzoate, sodium citrate, sorbitol, sucralose, xanthan gum

Questions or comments?

Call 1-877-753-3935 Monday-Friday 9AM-5PM EST

Principal Display Panel

Compare to the active ingredient in Maximum Strength Mucinex® Fast-Max® Cold, Flu, & Sore Throat††

MUCUS RELIEF

Cold, Flu & Sore Throat

ACETAMINOPHEN 650 mg /

PAIN RELIEVER & FEVER REDUCER

DEXTROMETHORPHAN HBr 20 mg /

COUGH SUPPRESSANT

GUAIFENESIN 400 mg /

EXPECTORANT

PHENYLEPHRINE HCI 10 mg /

NASAL DECONGESTANT

Maximum Strength

  • Relieves headache,fever, sore throat, nasal & chest congestion
  • Controls cough
  • Relieves nasal & chest congestion
  • Thins & loosens mucus
  • For ages 12 & over

FL OZ (mL)

††This product is not manufactured or distributed by RB Health [US] LLC owner of registered trademarks Mucinex® Fast-Max®

TAMPER EVIDENT: DO NOT USE IF PRINTED SAFETY SEAL AROUND OR UNDER CAP IS BROKEN OR MISSING.

DISTRIBUTED BY: WALGREEN CO.

200 WILMOT RD. DEERFIELD, IL 60015

walgreens.com

Package Label
Acetaminophen 650 mg, Dextromethorphan HBr 20 mg, Guaifenesin 400 mg, Phenylephrine HCl 10 mg

DailyMed Set ID: 04defcf6-e20e-402b-b725-d9394a0146b1 · Version 3
NDC: 0363-3361