Mesenteric lymphadenitis is an inflammation of the lymph nodes located in the mesentery, the tissue that connects the intestines to the abdominal wall. It typically develops as a result of bacterial, viral, or parasitic infections. It can lead to dehydration and electrolyte imbalances in patients. Very rarely, it can cause severe intestinal infections or abscess formation. Preventive measures are quite simple. Paying attention to hand hygiene (washing hands after sneezing, before and after meals, and after using the toilet) and thoroughly cooking meat are among the measures that help reduce the risk of mesenteric lymphadenitis by preventing microorganisms from entering the body.