The Claritin® family of products provides proven allergy relief from symptoms such as runny, itchy nose, sneezing, itchy, watery eyes and itchy throat that lasts all day- without causing drowsiness. Overview: Loratadine is an antihistamine that is taken to help treat allergy symptoms, such as a runny nose, itchy or watery eyes, sneezing, or an itchy nose or throat. Claritin (loratadine) is an antihistamine used to treat allergy symptoms. Claritin blocks the action of histamine, a substance in the body that initiates allergic symptoms like itching, sneezing, runny nose, and allergic skin rashes. Loratadine is a non-drowsy antihistamine used to relieve allergy symptoms like sneezing, runny nose, itchy eyes, hives, and skin rashes from hay fever or chronic hives. Claritin is an antihistamine used to treat the symptoms of allergies, such as sneezing, watery eyes, and runny nose. Learn about side effects, interactions and indications. What do Claritin products treat? Claritin products are used to treat allergy symptoms such as runny nose, itchy/watery eyes, sneezing, and itchy nose or throat. Discover how Claritin can help manage your allergy symptoms with fewer side effects like drowsiness. This article explores its uses, effectiveness, and how it compares to other antihistamines. Loratadine, sold under the brand name Claritin among others, is a medication used to treat allergies. [4] This includes allergic rhinitis (hay fever) and hives. [4] Claritin® offers non-drowsy relief for adults and kids from indoor and outdoor allergy symptoms. Explore Claritin® products and resources for allergy relief. Loratadine (Claritin) is an over-the-counter antihistamine for adults and kids. It helps relieve allergy symptoms like a runny nose, sneezing, and watery eyes. This allergy medication is taken by mouth, usually once a day. It comes as different formulations, including regular tablets, chewable tablets, and a liquid.