Benylin Day & Night Tablets are used for the relief of cold and flu symptoms. This pack contains 2 different coloured tablets, for use at different times of the day. The white tablets contain paracetamol (to relieve pain) and pseudoephedrine (a decongestant which unblocks stuffy noses) and are for daytime use. The blue tablets contain paracetamol and diphenhydramine (an antihistamine which helps clear catarrh and so aids sleep) and are for night time use only.
