This article is a review of the mechanisms known to explain the diuretic effect of caffeine. Caffeine inhibits the vasoconstriction mediated by the type 1 adenosine receptor in afferent arteriole increasing

This article is study that shows how A1 adenosine receptors are needed for the diuretic and natriuertic effects of methylxanthines such as theophylline and caffeine. The blockade of these receptors caused