Coughing starts when parts of your child?s breathing passages become inflamed or irritated. The Glycerol and sugar mixture in the BENYLIN??Children?s Dry Cough and Sore Throat Syrup help soothe inflamed areas of your little one?s throat.? The syrup is non-drowsy with a blackcurrant flavour. Soothes dry and tickly coughs for children aged 1 year and over.