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 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. Experience non-drowsy, fast relief from nasal & sinus congestion caused by allergies or cold with Claritin-D® in 30 minutes. 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. With a non-drowsy formula containing loratadine and pseudoephedrine, Claritin-D 24 HR offers dual-action relief from symptoms caused by indoor and outdoor allergens. 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. Stop taking Claritin-D if your symptoms do not improve within seven days, you start to develop a fever, or you have nervousness, dizziness, or trouble sleeping. Claritin D (Loratadine and Pseudoephedrine) may treat allergies, side effects, dosage, drug interactions, warnings, patient labeling, overdosage, precautions, and others. Claritin-D 12 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 contains loratadine, an antihistamine, while Claritin-D contains loratadine plus pseudoephedrine, a decongestant. Claritin can treat allergy symptoms like sneezing, itching, and runny nose, while Claritin-D treats these plus nasal congestion. Claritin is generally safe to take.