This section discusses pharmacological methods for pain management, differentiating between analgesics, adjuvants, opioids, and nonopioids. It emphasizes starting with the least invasive and lowest do...This section discusses pharmacological methods for pain management, differentiating between analgesics, adjuvants, opioids, and nonopioids. It emphasizes starting with the least invasive and lowest dose interventions, referencing the WHO pain ladder as a guide.