For ages 6+. 24 hour. Loratadine orally disintegrating tablet, 10 mg, antihistamine. Non-drowsy (when taken as directed) allergy relief. Itching of nose & throat; itchy, watery eyes; sneezing; runny nose. No water needed. Alavert Allergy provides 24 hours of allergy symptom relief without causing drowsiness when taken as directed. It contains prescription strength Loratadine. Just one tablet a day relieves runny nose, sneezing and itchy, watery eyes. It is safe and effective for adults and children 6 years and over. The bubble gum flavored tablet melts in your mouth. So convenient, it can be taken without water.