Severe diarrhea can cause dehydration in the body and lead to acidosis in the body causing numbness in the hands. Diarrhea is a symptom caused by an attack of acute gastroenteritis, and the typical symptoms are nausea, vomiting, and diarrhea. Under normal circumstances, diarrhea does not induce numbness in the hands, but in some people, the symptoms of diarrhea are more severe and may even lead to watery stools, resulting in severe dehydration in the body. In some people, diarrhea is more severe and may even lead to watery stools, resulting in severe dehydration. Dehydration can lead to acidosis in the body, and some people may experience numbness in the hands. During diarrhea, patients should not only treat the diarrhea, but also replenish fluids in a timely manner by drinking light saline to prevent the body’s water-electrolyte balance. This will not only relieve the symptoms of diarrhea, but also prevent acidosis in the body. In addition there are many people who suffer from diarrhea, due to the prolonged pressure caused by poor local blood circulation in the fingers, may also manifest as a brief period of numbness in the fingers.