Claritin-D 24 Hour is a combination medicine used to treat sneezing, runny or stuffy nose, sinus pain, itchy or watery eyes or nose, and other symptoms of allergies and the common cold. Claritin-D is used to treat sneezing, runny nose, itchy eyes, hives, itching, and other symptoms of allergies and the common cold. Learn about side effects, interactions and indications. Learn about Claritin-D (loratadine / pseudoephedrine) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Claritin-D 24 provides powerful 24 hour non drowsy symptom allergy relief and works hard on nasal congestion due to allergies or a cold. The steroid free allergy medicine is available in 12 hour and 24 hour doses, for adults and children 12 years and over. temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: sneezing - itchy, watery eyes - runny nose - itching of the nose or throat - temporarily. Claritin is the brand name of an antihistamine called loratadine, while Claritin-D is loratadine plus pseudoephedrine, a decongestant. Experience non-drowsy, fast relief from nasal & sinus congestion caused by allergies or cold with Claritin-D® in 30 minutes. Non-drowsy Claritin-D® tablets provide fast relief from sneezing, runny nose, itchy, watery eyes, itchy throat, nasal & sinus congestion for up to 24 hours. Claritin D (Loratadine and Pseudoephedrine) may treat allergies, side effects, dosage, drug interactions, warnings, patient labeling, overdosage, precautions, and others. Claritin-D 24 HR Fast & Powerful Allergy Relief, Antihistamine tablets provide fast-acting and long-lasting relief from allergy symptoms, including sneezing, runny nose, itchy and watery eyes, itchy nose and throat, sinus pressure and nasal congestion.