Cetirizine 10 MG Tablets are an antihistamine medication that relieves allergy symptoms. Hay fever is a condition that it is used to treat. Sneezing, itching, watery eyes, and a runny nose are all signs of a cold or allergies, and cetirizine is used to treat them. Apart from these, it is an antihistamine that helps with watery eyes, runny nose, itchy eyes/nose, sneezing, hives, and itching. They work by preventing your body from producing a natural molecule called histamine during an allergic reaction.