Phenadryl 100 ml SyrupDESCRIPTIONPHENADRYL (Diphenhydramine Hydro-chloride) is an ethanolamine class antihistaminic drug. It also has additional sedative action and atropine like activity in human body. It acts predominantly as a competitive inhibitor of histamine on H1- receptor.COMPOSITIONSyrup : ..