Generalized edema in the elderly may be heart failure, but also may be the elderly have kidney disease, malnutrition, liver disease or endocrine problems caused. 1. Heart failure: heart failure, especially right heart failure, can cause cardiogenic edema, mainly double lower extremity edema is more obvious, serious patients can appear thoracic and abdominal fluid and generalized edema. 2. Kidney diseases: such as nephritis, nephrotic syndrome, etc., can be manifested as eyelid edema in the early stage, and with the development of the disease, the whole body of the elderly can be edematous. 3. Malnutrition: chronic wasting disease or lack of nutrition can lead to generalized edema. 4. Liver diseases: such as cirrhosis of the liver can first manifest as ascites, and then gradually spread to generalized edema in the elderly. 5. Endocrine diseases: such as Cushing’s syndrome, hyperthyroidism and other diseases will also appear generalized edema. Because there are many causes of generalized swelling in the elderly, so if you find that the elderly have generalized swelling must go to the hospital, under the guidance of the doctor’s formal medication.