About the data: We used the family income data from the 2013 American Community Survey. This counts only families, which the government defines as households with two or more people related by birth, marriage or adoption. The graph focuses on families living in the country's 30 most populous cities.
Diseases and conditions that may cause edema include: 1  Congestive heart failure. 2  Cirrhosis. 3  Kidney disease.  Kidney 1  damage. Weakness or damage to veins in your legs.  Inadequate lymphatic 1  system. Symptoms.  Risk factors.
A buildup of this excess fluid is a common cause of leg edema as well as swelling of the face, feet, and ankles. Drugs: Various prescription and over-the-counter medications can cause a variety of side effects, which may be one of the causes of leg edema. Such drugs include: â¢ 1 Blood pressure medicines. â¢ 2 Estrogen.