Acute Mesenteric Lymphadenitis

Acute mesenteric lymphadenitis is inflammation of mesenteric lymph nodes, often following a viral/Yersinia infection, presenting with right lower-quadrant pain (mimicking appendicitis), fever, and nausea in children/young adults. Treatment: supportive care (fluids/analgesics); antibiotics if bacterial (Yersinia/streptococcal); ultrasound to exclude appendicitis; monitor; most resolve spontaneously.

Common Symptoms

RLQ pain; fever; nausea; children/young adults; mimics appendicitis

Causes and Pathogenesis

Viral/Yersinia/bacterial infection causes mesenteric node hyperplasia/inflammation.

Treatment

Supportive care; antibiotics if bacterial; exclude appendicitis

Preventive Measures

Hand hygiene; food safety.

Department to Visit

It is recommended to visit the Pediatrics/GI/General-surgery department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.