Chlorpheniramine+Dextromethorphan+Menthol+Phenylephrine is used in the treatment of dry cough.

This is a combination of four medicines: Chlorpheniramine, dextromethorphan, menthol and phenylephrine which relieve cough and cold symptoms. Chlorpheniramine is an antiallergic which relieves allergy symptoms like runny nose, watery eyes and sneezing. Dextromethorphan is a cough suppressant that relieves cough by reducing the activity of cough centre in the brain. Menthol is an organic compound which produces a sensation of coolness and relieves minor throat irritation. Phenylephrine is a decongestant which narrows the small blood vessels providing relief from congestion or stuffiness in the nose.

Nausea, Vomiting, Stomach upset, Headache, Loss of appetite, Insomnia (difficulty in sleeping), Skin rash, Itching, Sleepiness