Claritin (loratadine) is used to treat allergies. Learn side effects, dosage, drug interactions, warnings, patient labeling, reviews, and more. Find patient medical information for Loratadine (Alavert, Claritin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Description Loratadine is used to treat allergy symptoms, including runny or stuffy nose, sneezing, watery eyes, and itching of the eyes, nose or throat. This medicine is available as an over-the-counter (OTC) product. Learn about cost, uses, and more for loratadine (Claritin), which is a generic over-the-counter antihistamine that treats allergies in adults and some children. Claritin (loratadine) is a non-drowsy antihistamine widely used for seasonal allergies. It offers 24‑hour symptom relief with once‑daily dosing and minimal CNS effects for most users. Claritin 24HR Non Drowsy Allergy Relief Tablets, 20 Count 20 Ct, 0.01 lbs. Item 210285 Claritin is the 1 doctor recommended non-drowsy oral allergy brand. When your symptoms start, doctors recommend taking non-drowsy Claritin every day of your allergy season for continuous relief (1). (1) Use as directed. When symptoms first appear, then daily while your allergy triggers remain. HSA/FSA. Claritin® offers non-drowsy relief for adults and kids from indoor and outdoor allergy symptoms. Explore Claritin® products and resources for allergy relief. 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. Explore Claritin side effects like drowsiness. Understand its uses for allergies and hives, and see how it compares to other antihistamines. 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.