Displaying 6 results of Bupivacaine Impurities Bupivacaine is a local anesthetic drug used for pain relief. However, during the manufacturing process, impurities may be present in the final product. These impurities can affect the efficacy and safety of the drug. Therefore, it is important to monitor and control the levels of impurities in bupivacaine to ensure its quality and effectiveness. Common impurities include related compounds, residual solvents, and degradation products.