Lead poisoning as a differential diagnosis in pediatric patients with chronic abdominal pain: a case-control study in Tehran-Iran.

Background: Chronic abdominal pain is a potential symptom of lead poisoning, which is often challenging to diagnose. This case-control study aimed to evaluate blood lead levels in pediatric patients with chronic abdominal pain.

Methods: The case-control study was conducted on 190 pediatrics who presented to the Children's Medical Center Hospital clinics, Tehran between April 2021- 2023.