Phenacetin is a popular pain-relieving drug that has been used for many years. However, it has been found to contain impurities that can be harmful to the human body. These impurities can cause damage to the liver, kidneys, and other organs. It is essential to understand the potential risks associated with phenacetin impurities and take necessary precautions to minimize exposure to them. Regular quality checks and monitoring of phenacetin batches can help prevent the distribution of contaminated products.