A dry cough is one that does not produce mucus. There is often tickling sensation due to irritation in the throat. It may arise due to environmental irritant or due to other causes. These causes need to be identified for a proper treatment. Sandu Whoopin is an Ayurvedic cough syrup which is made from naturally sourced herbs. It helps relieve wet and dry cough along with sore throat. If you have a persistent cough that has lasted for more than 15 days kindly consult with your physician.