Displaying 11 results of Imiquimod Impurities Imiquimod is a pharmaceutical drug used in the treatment of skin conditions such as warts and certain types of cancer. However, the drug may contain impurities which can affect its safety and effectiveness. Imiquimod impurities refer to contaminants that may be present in the drug substance, drug product, or during the manufacturing process. These impurities can be potentially harmful to the patient, and their presence is closely monitored by regulatory agencies to ensure the safety and quality of the drug.