Bepotastine is an antihistamine medication used to treat symptoms of allergies. However, during the manufacturing process, impurities may be produced. These impurities can affect the quality, safety, and efficacy of the final product. Therefore, it is important to identify and control the presence of bepotastine impurities to ensure that the medication is of high quality and safe for use. Analytical techniques such as high-performance liquid chromatography (HPLC) are commonly used to detect and quantify these impurities.