Claritine Antihistamine is a medication classified as an antihistamine, meaning it blocks the action of histamine, a substance produced in the body responsible for allergy symptoms. Claritin is an effective treatment for relieving symptoms of cold and allergies. It is recommended for alleviating symptoms associated with seasonal and perennial allergic rhinitis, which may include sneezing, runny nose, nasal itching, itching of the nose and throat, and burning and watery eyes. Claritin tablets are also used to alleviate symptoms of skin rash. Active ingredient: Loratadine. Usage instructions: Adults (including the elderly): 10mg once daily (one tablet once daily)