Ketoacidosis is an excessive acidification of the blood. It is due to an accumulation of ketone bodies most often related to a drop in the concentration of insulin in the blood. This type of condition occurs mainly in people who fast for extended periods of time, who have liver problems, or who have major digestive problems (excessive vomiting). Ketoacidosis can also appear in the case of diabetes; it is one of the complications of this illness. It can cause nausea and vomiting, stomach pain, shortness of breath, unusual breath odor, called rennet apple, or even a coma
in the most advanced stage.