Each tablet contains Chlorphenamine Maleate 4 mg. Other ingredients Lactose monohydrate, maize starch, pre-gelatinised maize starch, magnesium stearate and the colouring agent yellow iron oxide (E172). 'As we are always looking to improve our products, our formulations change from time to time, so please always check the product packaging before use.' Essential Information Warnings This needs to be removed: 'As we are always looking to improve our products, our formulations change from time to time, so please always check the product packaging before use.