In medicine, analgesics and anesthetics are two drug classes that are frequently used to lessen pain and induce drowsiness during procedures. In order to improve pain management and reduce the use of opioids, recent studies have concentrated on the use of non-opioid adjuvants such magnesium, lidocaine, and ketamine. On the other hand, local anesthetics—which produce numbness in a particular area of the body—are frequently used for pain management or small surgical procedures. Medications called analgesics, or painkillers, are used to treat pain. This session's main subjects included.