Treatment is based on addressing underlying disease process
Idiopathic edema is a diagnosis of exclusion.  Other disease process, including heart failure, cirrhosis, acute renal failure, nephrotic syndrome, chronic venous insufficiency, and medication induced edema must first be considered.
Idiopathic pedal edema need not to be treated with diuretics
Idiopathic pedal edema need not to be treated with diuretics
Unilateral leg swelling
Gravitational
Bilateral leg swelling
Venous stasis
Right upper quadrant abdominal pain
Thrombophlebitis
Right lower quadrant abdominal pain
Lymphedema