Mesenteric adenitis is a scary-sounding medical issue. While the name itself sounds rather intimidating, the infection is usually not something to worry too much about. It primarily affects children and teens and will typically go away without treatment in one to four weeks. Read on to learn more about it from our AFC Urgent Care Chapman Highway team. What Is Mesenteric Adenitis? Mesenteric adenitis, sometimes known as mesenteric lymphadenitis, is the swelling of the lymph ...