Originally Posted by HAMMER MAN

Thiazide diuretics are very inexpensive in generic form and are some of the most effective drugs for black and elderly patients because of these patients' sensitivity to salt and fluid volume status. Diuretics also may provide symptomatic relief for patients with congestive heart failure who may exercise in cardiac rehabilitation programs.

Bottom line: Thiazide diuretics are not a good choice for most endurance athletes. Their use should probably be considered only for elderly or black patients who have difficulty with blood pressure control, those who have congestive heart failure, or those who need inexpensive medication.