Buy Claritin Online : is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. It is used to treat sneezing, runny nose, watery eyes, hives, skin rash, hay fever, itching, and other cold or allergy symptoms. It is also used to treat skin hives and itching in people with chronic skin reactions. You should not take Claritin if you are allergic to loratadine or to desloratadine.