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.
Burping and flatulence are two ways swallowed air leaves the body. Delayed emptying of the stomach (slow gas transport) in addition to gas accumulation can also cause bloating and abdominal distension. Medical causes. Other causes of bloating may be due to medical conditions. These include: irritable bowel syndrome (IBS)