PHAR 100 Chapter 1: Module 1

• School: Queen's University
• Department: Pharmacology and Toxicology
• Course: PHAR 100
• Professor: Jeanne Mulder William Racz

Document Summary

Section 01: history of drug use and development. Pharmacology: the science of drugs including their uses, effects, and modes of action. Drugs: any substance received by a biological system that is not received for nutritive purposes, and which influences the biological function of the organism. This broad definition means that chemical, biological agents, and herbal products are all considered drugs. Opium is obtained from the opium poppy (papaver somniferum). Opium was found to contain two important substances, codeine and morphine. Morphine: opium was found to contain approximately 10% morphine (god of dreams). By contrast, aspirin, and acetaminophen will only relieve mild to moderate pain. It"s widely used for pain relief and is a constituent of. Tylenol 1 (number 1 otc medication in canada). Ma huang was widely used in chinese medicine for coughs, influenza, and fevers. Ephedrine is isolated from ma huang, has been used to treat asthma, and a derivative of ephedrine is used as a decongestant.