What is Corex?
Corex is a cough syrup sold by Pfizer Inc.. It is available in India, Pakistan, Bangladesh and a few other South Asian countries. Corex is a prescribed medicine.
Its active ingredients are chlorpheniramine maleate and codeine phosphate.
Each 100 ml of Corex Cough Syrup contains:
Chlorpheniramine maleate, an H1-blocking antihistamine, relieves histamine-induced allergic edema of respiratory mucosa. Codeine phosphate, by its action on the cough center in the medulla, helps reduce excessive frequency and intensity of cough bouts, which allows the patient to rest or sleep.