Displaying 2 results of Risedronic Acid Impurities Risedronic acid is a medication used to treat bone loss caused by osteoporosis. Like all pharmaceuticals, it may contain impurities that could affect its safety and efficacy. Risedronic acid impurities may include residual solvents, degradation products, and other contaminants that can impact the quality of the drug. These impurities must be identified and controlled during the drug development process to ensure the safety and effectiveness of the medication.