Mucus Relief Severe Congestion and Cough Maximum Strength 400 mg/20mL (Dextromethorphan Hydrobromide, Guaifenesin, Phenylephrine Hydrochloride LIQUID) 400 mg/20mL

Mucus Relief Severe Congestion and Cough Maximum Strength 400 mg/20mL combines dextromethorphan, guaifenesin, and phenylephrine to relieve congestion and cough. This liquid formula is designed for severe symptoms, offering fast-acting relief.

Strength

400 mg/20mL

Pack Size

177 mL in 1 BOTTLE, PLASTIC (0363-0337-06)

Manufacturer / TM Owner

Walgreens

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Pack/s

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Indications & Clinical Uses

Mucus Relief Severe Congestion and Cough Maximum Strength 400 mg/20mL is used to manage severe congestion and cough. Dextromethorphan helps suppress coughs, guaifenesin thins mucus, and phenylephrine reduces nasal congestion. This combination is often sought for relief from cold and flu symptoms.

Side Effects

Users may experience relief from congestion and coughing after taking this medication. Some individuals might feel drowsiness or dizziness due to the dextromethorphan. Guaifenesin can help loosen mucus, making it easier to cough up. Phenylephrine works to shrink blood vessels in the nasal passages, reducing congestion.

Precautions & Warnings

This medication should be used with caution, especially by those with high blood pressure or heart conditions, due to the phenylephrine. It is important to follow the instructions on the label and consult a healthcare provider if symptoms persist or worsen. Keep out of reach of children.

Avoid Interactions

Mucus Relief Severe Congestion and Cough Maximum Strength 400 mg/20mL may interact with other medications, including those that affect blood pressure, antidepressants, and other cold or allergy remedies. Alcohol should be avoided as it can enhance the sedative effects of dextromethorphan.

Frequently Asked Questions

It is used to relieve severe congestion and cough associated with colds and flu.

It is advisable to consult a healthcare provider before combining this medication with other cold remedies to avoid potential interactions.

Common side effects may include drowsiness, dizziness, and mild nausea.

This medication is intended for adult use. Always consult a healthcare provider before giving it to children.

Store at room temperature, away from moisture and heat, and keep out of reach of children.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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