OTC
Cough expectorant and antihistamine combination
Diphenhydramine; Ammonium chloride; Sodium citrate; Menthol
Last reviewed April 2026
Who is this for?
What is this drug?
This is a combination cough medicine that contains an antihistamine (diphenhydramine) to stop coughing and reduce allergic reactions, ammonium chloride and sodium citrate to help loosen and bring out phlegm from your chest, and menthol to give a cooling, soothing feeling in your throat.
What is it used for?
Cough with phlegm (productive cough)dry coughchest congestioncold and catarrh symptomsthroat irritation
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.
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