Vasopressin has three main effects: 1  Increasing the water permeability of distal convoluted tubule and collecting duct cells in the kidney, thus allowing water reabsorption and excretion of more concentrated urine, i.e., antidiuresis.
It can be caused by damage to the vagus nerve, which regulates the digestive system. A damaged vagus nerve prevents the muscles in the stomach and intestine from functioning, preventing food from moving through the digestive system properly. Often, the cause of gastroparesis is unknown.
You may not learn why fluid is building up in your abdomen. You may not get proper treatment. You may have bleeding inside your stomach or bowels. Your kidneys may stop working, and your liver problems may get worse. The fluid inside your abdomen may get infected and cause abdominal pain and tiredness.