CHESTON D COUGH SYRUP is used to relieve cough due to throat or bronchial irritation, sneezing and running nose caused by cold, dry cough, allergic cough, post-operative cough, smokers cough, and night-time cough. It is also used to manage hay fever or upper respiratory allergies such as sneezing, runny nose, itchy, watery eyes, and itching of the nose and throat. Contact your doctor before taking.