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.
Bloating caused by overeating, gas, stress, and indigestion may resolve on its own within few hours. Stomach flu cause pain and bloating, but usually go away without any specific treatment. If the abdominal pain and bloating occur after every meal or occur with painful bowel movement, doctorâs advice is needed.