A COF 100 ml.CompositionEach 5 ml contains Dextromethorphan Hydrobromide BP 20 mg, Phenylephrine Hydrochloride BP 10 mg and Triprolidine Hydrochloride BP 2.5 mg.PHARMACOLOGYDextromethorphan Hydrobromide is a cough suppressant used to treat coughing. Phenylephrine Hydrochloride stimulates postsynapti..