MUCOSAN Max-Action - Cold, Cough & Fever Medicine | 6 Fl Oz

Key Drug Facts

Multi-symptom OTC formula with acetaminophen, dextromethorphan, guaifenesin, and phenylephrine.

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• Active ingredients per 20 mL: acetaminophen 650 mg (pain reliever/fever reducer), dextromethorphan HBr 20 mg (cough suppressant), guaifenesin 400 mg (expectorant), and phenylephrine HCl 10 mg (nasal decongestant).
• Label uses: temporarily relieves nasal congestion, cough, minor aches and pains, sore throat, and headache associated with cold and flu; temporarily reduces fever; helps loosen phlegm and thin bronchial secretions.
• Label directions: adults and children 12 years and over, 20 mL every 4 hours; do not take more than 4 doses in 24 hours. Children under 12: do not use.
• Size: oral liquid, 6 fl oz.

Liver warning: contains acetaminophen. Do not combine with other products containing acetaminophen and do not take more than directed. Read all Drug Facts warnings before use.

Inactive ingredients and storage

Anhydrous citric acid, edetate disodium, FD&C blue #1, FD&C red #40, flavors, glycerin, propylene glycol, propyl gallate, purified water, sodium benzoate, sorbitol, sucralose and xanthan gum.

Store at 15–30 °C (59–86 °F); do not refrigerate. Measure only with the included dosing cup and keep it with the bottle. Read the full product label before use; this guide does not replace its warnings.

Warnings to review

• Do not use with a prescription MAOI or within 2 weeks of stopping one.
• Ask a doctor before use for heart disease, high blood pressure, diabetes, thyroid disease, persistent cough or excessive phlegm.
• Stop use and ask a doctor for nervousness, dizziness or sleeplessness; symptoms that do not improve within 7 days or occur with fever; or persistent or returning cough with fever, rash or persistent headache.
• For formulas labeled for ages 12 and over, also ask about trouble urinating due to an enlarged prostate; ask a health professional before use during pregnancy or breast-feeding.
• Keep out of reach of children. For overdose, get medical help or contact Poison Control immediately: 1-800-222-1222.

Special caution: the acetaminophen formula

Only the Max-Action cold, cough and fever formula in this selection contains acetaminophen: 650 mg per 20 mL. Do not combine it with another acetaminophen-containing medicine. Its maximum is four 20 mL doses in 24 hours.

The label warns of severe liver damage from exceeding that limit, combining acetaminophen products or having 3 or more alcoholic drinks daily while using it. Ask before use for liver disease or warfarin use.

Stop use and get immediate medical help for skin redness, blisters or rash. Consult promptly for a severe sore throat, one lasting more than 2 days, or one with fever, headache, rash, nausea or vomiting. Stop use and ask a doctor if fever worsens or lasts more than 3 days, or redness, swelling or new symptoms occur. An overdose requires immediate attention even without symptoms.

Explore MUCOSAN

• MUCOSAN brand guide
• MUCOSAN: a guide to five formulas and their labels
• MUCOSAN: ages, doses and the dosing cup
• MUCOSAN: acetaminophen, warnings and storage

Verified sources

• Drug Facts — Max-Action with acetaminophen · DailyMed — NDC 53145-696-06

Product-gallery labels and Menper listings in DailyMed reviewed October 3, 2026.