OTC
Antihistamine-Expectorant Cough Medicine
Diphenhydramine Hydrochloride; Ammonium chloride; Menthol
Last reviewed April 2026
Who is this for?
What is this drug?
This is a combination cough medicine containing diphenhydramine (an antihistamine that stops coughing and dries up a runny nose), ammonium chloride (an expectorant that loosens thick phlegm so you can cough it out), and menthol (which gives a cool, soothing feeling in the throat and opens up the airway).
What is it used for?
Cough with phlegmdry coughrunny noseblocked nosecold and catarrhchest congestion
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.
Quick Interaction Check
Is Diphenhydramine safe to take with another drug?
Check with multiple drugs →