The study of drugs and their interaction in human bodies is called pharmacology, and comes from pharmakon, a Greek word meaning drug or medicine and logy meaning a study of. In other words, pharmacology can also be termed as a study of either drugs or medicine, and examines their origin, their nature, their reactions in the body as well as side effects (Turley, 2003). The discussion hereunder will focus on different types of drugs that are used to relieve pain, their mechanism as well as their side effects.
Types of drugs used to relieve pain ((Turley, 2003)
Over-the-counter (OTC): These are drugs used to relieve pain, and ...
