Displaying 4 results of Sulindac Impurities Sulindac is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain and inflammation. However, during the manufacturing process, impurities may be introduced into the final product. These impurities can affect the safety and efficacy of the drug. Therefore, it is important to monitor and control the levels of Sulindac impurities to ensure the quality and safety of the medication.