Mucinex Fast-Max Kickstart Severe Congestion and Cough and Mucinex Fast-Max Nighttime Cold and Flu

Dextromethorphan Hydrobromide, Guaifenesin, Acetaminophen,Triprolidine Hydrochloride · Kit

Over the counter

Active ingredient

Active ingredients (in each 20 mL) Dextromethorphan HBr 20 mg Guaifenesin 400 mg Acetaminophen 650 mg Dextromethorphan HBr 20 mg Triprolidine HCl 2.5 mg

Purpose

Dextromethorphan HBr » Cough Suppressant Guaifenesin » Expectorant Acetaminophen » Pain reliever/fever reducer Dextromethorphan » Cough suppressant Triprolidine HCl » Antihistamine

Uses

Uses ■ helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive ■ temporarily relieves: ■ 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 ■ 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

Warnings

Do not use ■ 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 ■ persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema ■ cough that occurs with too much phlegm (mucus) When using this product do not use more than directed Stop use and ask a doctor if ■ cough lasts more than 7 days, comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition. Liver warning: This product contains acetaminophen. Severe liver damage may occur if you take: ■ more than 4,000 mg 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: 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 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 fever, rash, or headache that lasts. These could be signs of a serious condition.

Keep out of reach of children

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

Directions

Directions ■ do not take more than 6 doses in any 24-hour period ■ measure only with dosing cup provided ■ do not use dosing cup with other products ■ dose as follows or as directed by a doctor ■ adults and children 12 years of age and over: 20 mL in dosing cup provided every 4 hours ■ children under 12 years of age: do not use Directions ■ do not take more than directed (see Overdose warning) ■ do not take more than 4 doses in any 24-hour period ■ measure only with dosing cup provided ■ do not use dosing cup with other products ■ dose as follows or as directed by a doctor ■ adults and children 12 years of age and over: 20 mL in dosing cup provided every 4 hours ■ children under 12 years of age: do not use

Inactive ingredients

Inactive ingredients ammonium, glycyrrhizate, anhydrous citric acid, D&C yellow no. 10, edetate disodium, FD&C blue no. 1, flavor, glycerin (soy), propylene glycol, purified water, sodium benzoate, sorbitol, sucralose, trisodium citrate dihydrate*, xanthan gum *may contain this ingredient Inactive ingredients ammonium glycyrrhizate, anhydrous citric acid, edetate disodium, FD&C blue no. 1, FD&C red no. 40, flavor, glycerin (soy), propylene glycol, purified water, sodium benzoate, sorbitol, sucralose, xanthan gum

Questions?

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

Label text from the FDA structured product label by Reckitt Benckiser LLC (revised May 18, 2026). Long sections are shortened; the complete label is on DailyMed.

Mucinex Fast-Max Kickstart Severe Congestion and Cough and Mucinex Fast-Max Nighttime Cold and Flu NDC products (1)

NDCStrength & formLabelerType
72854-160
Kit
Reckitt Benckiser LLCOTC MONOGRAPH DRUG

Frequently asked questions

What is Mucinex Fast-Max Kickstart Severe Congestion and Cough and Mucinex Fast-Max Nighttime Cold and Flu used for?

Uses ■ helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive ■ temporarily relieves: ■ 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 ■ temporarily relieves these common cold…

Who makes Mucinex Fast-Max Kickstart Severe Congestion and Cough and Mucinex Fast-Max Nighttime Cold and Flu?

Mucinex Fast-Max Kickstart Severe Congestion and Cough and Mucinex Fast-Max Nighttime Cold and Flu is listed by 1 labeler in the FDA NDC directory, including Reckitt Benckiser LLC.