<p>Candesartan Cilexetil is an ester prodrug that is hydrolysed in the body to the active form Candesartan during absorption from the gastro-intestinal tract. Candesartan is angiotensin II receptor (type AT1) antagonist. Candesartan blocks the vasoconstrictor and aldosterone-secreting effects of angiotensin II by selectively blocking the binding of angiotensin II to the AT1 receptor in many tissues (eg, vascular smooth muscle, adrenal gland).</p>