Alizapride is an antiemetic medication used to treat nausea and vomiting. Impurities in Alizapride can affect its potency, safety, and efficacy. Common Alizapride impurities include related compounds, degradation products, and residual solvents. Control of impurities is critical for ensuring the quality and consistency of Alizapride, and regulatory agencies have established maximum limits for impurities in pharmaceuticals.