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

Walgreens Maximum Strength Severe Congestion and Cough 400 mg/20mL liquid combines dextromethorphan, guaifenesin, and phenylephrine to relieve congestion and cough. This liquid formula is designed for oral use and is suitable for managing severe congestion and cough symptoms.

Strength

400 mg/20mL

Pack Size

180 mL in 1 BOTTLE, PLASTIC (0363-7760-06)

Manufacturer / TM Owner

WALGREEN COMPANY

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Indications & Clinical Uses

Walgreens Maximum Strength Severe Congestion and Cough 400 mg/20mL is typically used to provide relief from severe congestion and cough. Dextromethorphan helps to suppress coughing, while guaifenesin acts as an expectorant to loosen mucus, and phenylephrine works as a decongestant to reduce nasal congestion. This combination is often sought after for its comprehensive approach to managing respiratory discomfort.

Side Effects

Common effects of this liquid medication may include relief from congestion and a reduction in coughing. Users might experience a decrease in nasal stuffiness and an easier time breathing. As with any medication, individual responses can vary, and it's important to follow the instructions provided.

Precautions & Warnings

It is advisable to use this medication as directed and to consult with a healthcare provider if you have any underlying health conditions or are taking other medications. Avoid exceeding the recommended dosage to prevent potential side effects. Keep the bottle tightly closed and store it at room temperature, away from moisture and heat.

Avoid Interactions

This medication may interact with other drugs, including those that affect blood pressure, antidepressants, and certain allergy medications. It is important to inform your healthcare provider about all the medications you are taking to avoid potential interactions. Additionally, alcohol should be avoided while using this product.

Frequently Asked Questions

This medication is used to relieve severe congestion and cough symptoms by combining dextromethorphan, guaifenesin, and phenylephrine.

This medication is taken orally, typically using the provided measuring cup or spoon to ensure accurate dosing.

Common side effects may include dizziness, nausea, and headache. Always follow the instructions on the label.

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

This medication is generally intended for adult use. Consult a healthcare provider for guidance on use in children.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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