Adjuncts are commonly used in conjunction with regional anesthesia drugs to enhance the efficacy and safety of nerve block procedures. Also, the systemic toxicity of regional anesthesia drugs needs to be understood to identify it early and manage effectively.
These adjuncts serve various purposes, including prolonging the duration of anesthesia, improving the quality of the block, and minimizing adverse effects. Local anesthetics, such as lidocaine, bupivacaine, or ropivacaine, are often employed as the primary agents for regional anesthesia. To enhance their effects, adjuncts like epinephrine are commonly added to vasoconstrict blood vessels, thereby reducing systemic absorption and extending the duration of anesthesia. Additionally, opioids such as fentanyl or morphine may be used as adjuvants to provide analgesia and improve postoperative pain control. Alpha-2 agonists like clonidine can be employed to enhance the duration and quality of nerve blocks. Furthermore, corticosteroids may be added to reduce inflammation and provide prolonged pain relief. Combining these adjuncts with regional anesthesia drugs allows for a more tailored and effective approach in managing pain while minimizing systemic side effects, contributing to improved patient outcomes in various surgical and pain management procedures.