Benylin Children’s Dry Cough & Sore Throat SyrupWhat it does: Coughing starts when parts of your childs breathing passages become inflamed or irritated. The Glycerol and sugar mixture in the BENYLIN Childrens Dry Cough and Sore Throat Syrup help soothe inflamed areas of your little ones throat. How it works: The syrup is non drowsy with a blackcurrant flavour. Soothes dry and tickly coughs for children aged 1 year and over. What is a cough? Coughing starts when part of your breathing passage