Benylin 4Flu Tablets (24). Only one pack of paracetamol products per order.. Benylin 4 Flu Tablets are used to help relieve cold and flu symptoms.. The tablets contain:. paracetamol which helps to relieve aches and pains and fever (high temperature). diphenhydramine, which is an antihistamine that helps relieve coughing, sneezing and runny nose. pseudoephedrine, which is a decongestant that helps unblock stuffy noses.. The medicine is for use in adults and children aged 10 years and over
