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.
Stomach stopped working. My dad had cancer surgery and had to have his small intestine re-routed and connected to his stomach. He was told within 17 days or less his stomach would start to function again. It has been 7 weeks now and he is still in the hospital with his stomach just sitting there and doing nothing.