Bedaquiline is a medication used for the treatment of multidrug-resistant tuberculosis. However, like any other drug, it may contain impurities that can affect its efficacy and safety. Bedaquiline impurities are unwanted chemical substances that can be found in the drug's composition. These impurities can arise from various sources like the manufacturing process or storage conditions. Therefore, it is essential to monitor and control the levels of these impurities to ensure the drug's quality and safety.