Diarrhea generally refers to diarrhea, eating cucumber diarrhea may be caused by acute gastroenteritis, irritable bowel syndrome, ulcerative colitis, and Crohn’s disease. 1. Acute gastroenteritis: If you eat spoiled or unclean cucumbers, patients may experience acute gastroenteritis. At this time, patients will have abdominal pain, diarrhea, vomiting and other symptoms. 2. Irritable bowel syndrome: Irritable bowel syndrome may be caused by visceral hypersensitivity, intestinal infection, intestinal microecological imbalance and other factors. Patients will have abdominal pain, diarrhea, constipation and other manifestations. If the patient himself suffers from irritable bowel syndrome, after eating cucumber may be manifested as diarrhea. 3. Ulcerative colitis: the cause of ulcerative colitis has not been clearly defined, and is considered to be related to genetic, immune dysfunction, intestinal microecological abnormalities and other factors. Patients will appear diarrhea with mucus, pus and blood stools, abdominal pain, abdominal distension, loss of appetite and other manifestations. If patients with ulcerative colitis eat cucumber, they may have diarrhea. 4. Other: patients eating cucumbers after diarrhea may also be Crohn’s disease, amoebic dysentery and other diseases. It is recommended that patients eating cucumbers after diarrhea need to consult a doctor in a timely manner, you can choose the appropriate measures for treatment under the guidance of the doctor.