Table 1.

Common Causes of Leg Edema in the United States

UnilateralBilateral
Acute (<72 hours)ChronicAcute (<72 hours)Chronic
Deep vein thrombosisVenous insufficiencyVenous insufficiency
Pulmonary hypertension
Heart failure
Idiopathic edema
Lymphedema
Drugs
Premenstrual edema
Pregnancy
Obesity