This document discusses adrenergic agonists and antagonists that affect the sympathetic and parasympathetic nervous systems. It describes the main uses and adverse effects of selective and non-selective adrenergic agonists as well as adrenergic antagonists. Specifically, it discusses drugs like epinephrine, phenylephrine, clonidine, isoproterenol, dobutamine, albuterol, salmeterol, formoterol, yohimbine, reserpine, cocaine, methamphetamine, amphetamine, and various beta blockers. It provides…