In Each 20 mL Active Ingredients: Acetaminophen (650 mg), Pain Reliever/Fever Reducer; Dextromethorphan HBr (20 mg), Cough Suppressant; Phenylephrine HCl (10 mg), Nasal Decongestant.; Phenylephrine HCl (10 mg), Nasal Decongestant.

This combination medication is used to temporarily treat cough, chest congestion, fever, body aches, and stuffy nose symptoms caused by the common cold, flu, or other breathing illnesses (such as sinusitis, bronchitis).

MUCINEX FAST-MAX COLD, FLU AND SORE THROAT- acetaminophen, dextromethorphan hydrobromide, guaifenesin, and phenylephrine hydrochloride solution.

Active Ingredients: In Each 20 ml: Acetaminophen (650 mg), Dextromethorphan HBr (20 mg), Guaifenesin (400 mg), Phenylephrine HCl (10 mg).

Ingredients. Active Ingredients: (Mucinex Fast-Max Day Severe Cold): In Each Liquid Gel: Acetaminophen (325 mg), Dextromethorphan HBr (10 mg), Guaifenesin (200 mg), Phenylephrine HCl (5 mg).

Active ingredients (in each extended-release bi-layer tablet): Dextromethorphan HBr 30 mg, Guaifenesin 600 mg.

Guaifenesin belongs to a class of drugs known as expectorants. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier. Dextromethorphan belongs to a class of drugs known as cough suppressants. It acts on a part of the brain (cough center) to reduce the urge to cough.

Mucinex can cause mild to moderate side effects in some people. This can include digestive symptoms, dizziness, and drowsiness. If mucus sits in your airways, bacteria can collect and grow there as well.

Official answer. Mucinex products do not help to prevent or treat the COVID-19 virus itself, but might help relieve some of the symptoms of COVID, like chest congestion, cough, or headache. Select a product that targets only the symptoms you have.

Mucinex D and Mucinex DM both contain the expectorant guaifenesin (which is contained as a single ingredient in Mucinex). Guaifenesin is an expectorant that helps loosen mucus in your chest. Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages.

Active Ingredients: In each extended-release bi-layer tablet: Dextromethorphan HBr (60 mg), guaifenesin (1200 mg). Inactive ingredients: Carbomer homopolymer type B, D&C yellow 10 aluminum lake, hypromellose USP, magnesium stearate NF, microcrystalline cellulose NF, sodium starch glycolate NF.

This combination medication is used to relieve coughs caused by the common cold, bronchitis, and other breathing illnesses. Guaifenesin belongs to a class of drugs known as expectorants. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier.

Mucinex is made in England (blue bottle) and in Mexico (white bottle).