Bepotastine besilate, the active ingredient of Talion Tablets 5 mg, Talion Tablets 10 mg, Talion OD Tablets 5 mg, and Talion OD Tablets 10 mg (hereinafter collectively referred to as Talion), is a histamine H1 receptor antagonist that was discovered by Ube Indus tries, Ltd. and co-developed by Ube Industries,