Current products include the P-medicines of Allercalm,Hayleve, Piriton, Pollonase Antihistamine Tablets (chlorphenamine), Tavegil (clemastine), Benadryl Allergy Relief (acrivastine), Zirtek and Piriteze Allergy Tablets (cetirizine), plus the P / GSL drug Clarityn Allergy (loratidine). ...