In placebo- controlled trials, one CLARITIN REDITABS (loratadine rapidly-disintegrating tablets) once daily was superior to placebo and similar to CLARITIN Tablets in effects on nasal and. Claritin® offers non-drowsy relief for adults and kids from indoor and outdoor allergy symptoms. Explore Claritin® products and resources for allergy relief. 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 is an antihistamine so it hinders the cascade triggered by allergens. Claritin tablets provide powerful, 24-hour, non-drowsy relief of your worst indoor and outdoor allergy symptoms, including sneezing, runny nose, itchy/watery eyes and itchy throat/nose. 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. Common side effects may. Claritin is an over-the-counter antihistamine trusted by many for relief from seasonal allergies, but it can sometimes cause side effects like drowsiness, headaches, and upset stomach. While many experience no issues, it's important to know that some side effects are mild and can diminish over time. 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. Loratadine (Claritin) is an antihistamine. It works by blocking histamine. Histamine is a natural chemical in your body that causes allergy symptoms like itchy eyes, a runny nose, and sneezing. By blocking histamine, this medication helps relieve allergy symptoms. Claritin brings together recognizable allergy formats, family-oriented options, and convenient fulfillment visibility. That combination helps you land on the right formula faster, with fewer guesswork moments. 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. This product is available in the following dosage forms.