Drink plenty of water but urinate very little.

In addition, patients with nausea, vomiting, diarrhea, may also pass through these channels to the body's water discharge. If these phenomena do not appear, clinically considered due to pathological factors, such as kidney metabolism abnormalities, kidney dysfunction, may cause edema of the limbs. Need to check the kidney function, liver function and electrocardiogram and other examination indicators in time, if the above indicators show abnormalities, need to go to the urology department or nephrology department in time to see a doctor.