Benylin 4Flu Liquid 100Ml Is Indicated To Help Relieve Cold And Flu Symptoms. The Liquid Contains Paracetamol, An Analgesic Which Helps To Relieve Aches And Pains And Fever (High Temperature), Diphenhydramine, An Antihistamine, Which Helps Dry Secretions And Relieves Coughing, And Pseudoephedrine, A Decongestant Which Helps Unblock Stuffy Noses.