The symptoms of acute mesenteric lymph node enlargement include fever, abdominal pain, vomiting, diarrhea, constipation, etc. Food intake is temporarily prohibited and intravenous fluids are best to allow the intestinal tract in the body to get proper rest. The main symptoms of chronic mesenteric lymph node enlargement are low fever, easy to sweat, fatigue, abdominal pain, etc., mainly caused by viral infection, it is best to take oral Chinese medicine for antiviral treatment. 3, if the abdominal pain is relatively strong, you can use hot water bags to warm up or use abdominal massage to relieve the current pain.