The video briefly explains the mechanism of action of clonidine, its functions, effects on sodium and water, excretion, dosage and its association with dry mouth. TIMELINE: 0:08 Function of clonidine 0:17 Effect of clonidine on sodium and water 0:28 Can clonidine be used on patients with renal dysfunction? 0:42 Effects of clonidine on body 1:02 Excretion and metabolism of clonidine 1:28 Dosage recommendation 1:40 Effect of clonidine discontinuation of blood pressure 1:50 Association of clonidine with dry mouth