OTC

Antihistamine and cough suppressant combination

Diphenhydramine HCl; Sodium citrate

Last reviewed April 2026

Who is this for?

What is this drug?

This is a combination medicine containing diphenhydramine (an antihistamine that helps stop coughing and dries up runny nose) and sodium citrate (which helps loosen thick mucus in the chest so you can cough it out more easily). Together they work to calm coughs and clear chest congestion.

What is it used for?

Coughchest congestionrunny nosecold symptomsallergic coughtickly throat

Available Over The Counter

Available at pharmacies without a prescription. Rules may vary by country.

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