Dizziness and diarrhea is a very common condition caused by: 1. gastroenteritis, accompanied by lack of qi and blood, hypoglycemia, resulting in dizziness. 2. if dizziness and visual rotation, vomiting, it may be vertigo, or may be caused by cervical spondylosis compression of nerves. 3. related to diet, if the diet is unhygienic will cause E. coli and Salmonella infection, which can induce intestinal diseases, thus causing diarrhea, which will be accompanied by abdominal pain The situation. Diarrhea will make the body lose a lot of water and salt, which will make the person feel weak, limb weakness and dizziness. Regardless of the cause, as long as there is obvious discomfort in the body, you should go to the hospital to seek treatment from the relevant doctor.