Candesartan is a blood pressure medication. Lowering blood pressure aids in the prevention of strokes, heart attacks, and renal disorders. Candesartan tablets belong to the angiotensin receptor blocker family of medicines. It works by inhibiting the effect of certain naturally occurring molecules that constrict blood arteries, enabling blood to flow more easily and the heart to pump more efficiently. This medicine is also prescribed for heart failure. Candesartan is also used to treat diabetic nephropathy, a kidney condition that occurs in persons who have diabetes and high blood pressure. Candesartan tablets may cause side effects like headaches, back discomfort, and sore throat.