Levocabastine is an antihistamine drug that is used to treat symptoms of allergic rhinitis and conjunctivitis. However, during the manufacturing process, impurities may be introduced, which can affect the quality, safety, and efficacy of the drug. The impurities in levocabastine can be identified and quantified through various analytical methods, and their levels must be controlled within acceptable limits to ensure the drug's purity and effectiveness. The presence of impurities in levocabastine can also pose potential health risks to patients, making their detection and control critical for drug safety.
