This document discusses anxiolytics, or anti-anxiety drugs. It defines anxiety and differentiates it from fear. It outlines the learning objectives which are to define key terms, list classes of anxiolytic drugs, and describe the mechanisms of action, effects, pharmacokinetics, adverse effects, and interactions of anxiolytics. The major classes of anxiolytics discussed are benzodiazepines, azapirones, and beta-blockers. Benzodiazepines are described as the most important sedative-hypnotics, with properties including a wide margin of safety but risk of dependence with prolonged use. Buspirone is discussed as an azapirone anxi