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 bloating is caused by gas that gets trapped in the intestines and colon. It is normal for the digestive tract to produce gas. Everyone gets gas that gets processed through the mouth and rectum. That gas is produced in the body either by ingesting it when we eat or by being formed during digestion.