tussin 400 mg/20mL (Dextromethorphan HBr, Guaifenesin SOLUTION) 400 mg/20mL

Tussin 400 mg/20mL is a cough suppressant and expectorant solution. It combines dextromethorphan HBr and guaifenesin to relieve coughs and loosen mucus. Ideal for managing persistent coughs and congestion.

Strength

400 mg/20mL

Pack Size

1 BOTTLE in 1 CARTON (21130-707-26) / 118 mL in 1 BOTTLE

Manufacturer / TM Owner

Safeway

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Indications & Clinical Uses

Tussin 400 mg/20mL is primarily used for cough suppression and expectoration. Dextromethorphan HBr acts as a cough suppressant, while guaifenesin helps thin and loosen mucus, making it easier to cough up. This solution is often recommended for individuals experiencing persistent coughs due to colds, allergies, or respiratory infections. It is commonly used to alleviate symptoms of chest congestion and promote clearer breathing.

Side Effects

Tussin 400 mg/20mL may cause drowsiness, dizziness, or mild nausea in some individuals. These effects are generally temporary and subside as the body adjusts to the medication. Some users may also experience dry mouth or throat irritation. If these effects persist or worsen, it is advisable to consult a healthcare professional.

Precautions & Warnings

Tussin 400 mg/20mL should be used with caution in individuals with certain medical conditions, such as liver or kidney disease. It is important to follow the recommended dosage and avoid exceeding the suggested limits. This solution should be stored at room temperature and kept out of reach of children. Always read the label and follow the instructions provided by the manufacturer.

Avoid Interactions

Tussin 400 mg/20mL may interact with other medications, including antidepressants, sedatives, and alcohol. Consuming alcohol while using this solution can increase the risk of side effects such as drowsiness and dizziness. It is advisable to consult a healthcare professional before combining Tussin 400 mg/20mL with other medications, especially those that affect the central nervous system.

Frequently Asked Questions

Tussin 400 mg/20mL is used to suppress coughs and loosen mucus, making it easier to cough up. It is commonly used for relief from persistent coughs and chest congestion.

Tussin 400 mg/20mL is an oral solution. It should be taken as directed on the label or as advised by a healthcare professional.

Common side effects may include drowsiness, dizziness, mild nausea, dry mouth, and throat irritation. These effects are usually temporary.

Tussin 400 mg/20mL may interact with other medications, including antidepressants and sedatives. It is advisable to consult a healthcare professional before combining it with other drugs.

Tussin 400 mg/20mL should be used in children only as directed by a healthcare professional. Always follow the recommended dosage and precautions.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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