Diphenhydramine+Dextromethorphan Hydrobromide+Phenylpropanolamine is used in the treatment of cough.

Diphenhydramine + Dextromethorphan Hydrobromide + Phenylpropanolamine is a combination of three medicines: Diphenhydramine , Dextromethorphan Hydrobromide and Phenylpropanolamine. Diphenhydramine is an antiallergic which relieves allergy symptoms like runny nose, watery eyes and sneezing. Dextromethorphan Hydrobromide is a cough suppressant that relieves cough by reducing the activity of cough centre in the brain. Phenylpropanolamine is a decongestant. It narrows the small blood vessels providing relief from congestion or stuffiness in the nose.

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them