Displaying 9 results of Granisetron Impurities Granisetron is a medication used to prevent nausea and vomiting caused by chemotherapy or radiation therapy. Granisetron impurities are unwanted substances that may be present in granisetron, which can affect its quality, safety, and efficacy. The identification, characterization, and control of granisetron impurities are essential to ensure the purity and stability of the medication and to minimize potential health risks to patients.