Explore the pharmacology of opioids in this comprehensive 11-minute video lecture. Delve into the nociceptive pain pathway, understanding the roles of glutamate, substance P, and calcitonin gene-related peptide in pain processing. Learn about endogenous opioids, various receptor types, and the mechanism of action of narcotic drugs. Examine the side effects, tolerance development, and addiction potential of opioids. Cover specific drugs including morphine, fentanyl, hydrocodone, and others. Gain insights into partial mu-receptor opioid agonists like buprenorphine and antagonists such as naloxone. Perfect for medical students, healthcare professionals, or anyone interested in understanding the complex world of opioid pharmacology.