Kid allergies are unpleasant, but taking childrens allergy medicine doesnt have to be. Alleviate your childs allergy symptoms with Allegra Childrens 12-Hour Allergy Relief Liquid in berry flavor. Childrens Allegra is for kids 2 years and older provides 12 full hours of non-drowsy relief from sneezing, runny nose, itchy and watery eyes, and itchy nose or throat.