Psychology 2020A/B Lecture Notes - Lecture 5: Analgesic, Fentanyl, Homeostasis

• School: Western University
• Department: Psychology
• Course: Psychology 2020A/B
• Professor: Kelly Barnes

Document Summary

Opioids: opioids can be divided into four broad categories: Three natural compounds that can be extracted from opium: morphine, codeine, and thebaine. Derivative compounds created by making specific changes in the chemical composition of morphine. Derivative compounds created by making specific changes in the chemical composition of codeine or thebaine. Opium in history: a drug with a very long history, opium has been used for medicinal and recreational purposes for approximately 5,000 years. First written references date back to the early third century b. c: galen recommended opium for all ailments. Became a major recreational drug in europe and the united states: opium comes from the plant poppy . Had epidural and a good dose of heroin. 50000 heroin addicts early addicted opium is at the head of flower, grown in fields papaver somniferum (the plant of joy) China: unique medical remedies, opium was used as medicine.