Lizzy has severe chronic pain following an automobile accident and her pain specialist gives her a coanalgesic to help control her pain. What class of drugs is often used as coanalgesics?

Lizzy has severe chronic pain following an automobile accident and her pain specialist gives her a coanalgesic to help control her pain. What class of drugs is often used as coanalgesics?


NSAIDs
synthetic opioids
naltrexone analogs