OTC
Antihistamine and cough suppressant
Diphenhydramine HCl; Menthol
Last reviewed April 2026
Who is this for?
What is this drug?
This is a combination medicine containing diphenhydramine (an antihistamine that stops coughs and reduces allergic reactions) and menthol (a cooling ingredient that helps open up your airways and soothe your throat). It is commonly found in cough syrups like Emzolyn Cough Syrup.
What is it used for?
Dry coughtickly coughcough from cold or flublocked nosethroat irritationallergic cough
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.
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