Acute inflammation of the gut (Enteritis) is caused by different disease factors. There are many predisposal conditions. Diseases of the stomach, gall-bladder, pancreas, diabetes, heart failure, inadequate feeding, cold, hyperthermia, change of the climate. The most important are toxic foods and drugs variety of bacteria, viruses, and fungi. The patients complain from flatulence and vomit. There is diarrhoea, sometimes with rare faecal matter and phlegm and blood In profuse vomiting and diarrhoea the arterial blood pressure is getting low. The skin is getting pale, the tongue and mucosa are dry.