Pharmacology is the study of how drugs interact with living organisms to produce a change in function. If substances have medicinal properties, they're considered pharmaceuticals. The field encompasses drug composition and properties, interactions, toxicology, therapy, and medical applications and antipathogenic capabilities. Pharmacology isn't synonymous with pharmacy, which is the name used for a profession. Though in common usage the two terms are confused at times. Pharmacology deals with ho… (More on Pharmacology)