ABSTRACT
Diuretics are drugs that act on the kidneys to increase the rate of urine À ow. They have a number of important clinical uses, particularly in the treatment of cardiovascular disorders. However, they are also widely misused in sport, as their pharmacological action has led some athletes to believe that increased urine excretion will mask the use of other prohibited substances. Furthermore, diuretics have been misused to temporarily reduce weight in sports where weight categories apply. In this chapter, the use of diuretics, and other agents that may be used to mask prohibited drug use, will be reviewed along with the World Anti-Doping Agency (WADA) regulations to prohibit their use.
