Get strong symptom relief without the sleepiness, when taken as directed; this trusted allergy medicine comes in full prescription strength. Compare to Clarit-in active ingredient. You can stop sniffling and enjoy spring without the dreaded symptoms of seasonal allergies. Pet dander, mold, or dust? No problem. One dose provides all-day, 24-hours of support to relieve your toughest allergy symptoms from pet dander, pollen, dust, insect bites and stings, some food allergies, and symptoms from eczema. This histamine blocker temporarily relieves symptoms due to hay fever or other upper respiratory allergies: sneezing, runny nose, itching of the nose or throat, and itchy, watery eyes, and hives. When taken as directed, this allergy medicine will help your runny nose and other common allergy symptoms without making you feel drowsy, so you can take it anytime for indoor and outdoor use. Adults and children 6 years and over: Take 1 tablet daily, no more than 1 tablet in 24 hours. For children under 6 years and consumers with liver or kidney disease, Ask a doctor.