Displaying 1 results of Natrexone Impurities Naltrexone is a medication used to treat opioid addiction and alcohol dependence. However, it is important to ensure that the medication is pure and free from any impurities. Naltrexone impurities can affect the efficacy and safety of the medication, and therefore, it is crucial to monitor and control the levels of these impurities. The most common impurities in naltrexone are related to the synthesis process and include residual solvents and starting materials. Strict quality control measures must be in place to ensure that naltrexone is of high quality and free from harmful impurities.