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.
Some of the complications of gastroparesis include: 1  Food that stays in the stomach too long can ferment, which can lead to the growth of bacteria.  Food in the stomach can harden into a solid collection, called a bezoar. Bezoars can cause obstructions in the stomach that keep food from passing into the small intestine.
How your stomach responds to fiber may be the key to how serious your condition is. High-fiber diets can cause bloating and a hard stomach because fiber creates bulk and expands the stomach. On the other hand, a low-fiber diet can prevent thorough digestion, causing buildup in the digestive system.