Histacare is an antiallergic medication containing Desloratadine 5 mg. Each pack contains 30 tablets designed for once-daily dosing. This non-sedative and long-acting antihistamine helps provide relief from allergy symptoms. The active ingredient Desloratadine 5 mg belongs to the class of antihistamine medications. The product features once-daily dosing convenience, a non-sedative formula that won't cause drowsiness, and provides long-acting antiallergic effects. The package contains 30 tablets for a month's supply when taken as directed.