Displaying 4 results of Etofenamate Impurities Etofenamate is a non-steroidal anti-inflammatory drug (NSAID) used to alleviate pain and inflammation. However, the impurities in etofenamate can affect its quality, safety and efficacy. These impurities may arise during the manufacturing process, storage or handling of the drug. Therefore, it is important to identify and control these impurities to ensure the drug's purity and effectiveness.