Mesenteric adenitis sounds more serious than it really is. This condition affects mostly children and teens, and it often goes away on its own without the necessity of medical care. Keep reading to learn more about what it is and how to treat it from our AFC Urgent Care Gastonia team. What Is Mesenteric Adenitis? Mesenteric adenitis (also known as mesenteric lymphadenitis) is the swelling of the lymph nodes in the abdomen. Although technically anyone ...