Pancreatitis is an inflammation of pancreatic tissue, with elevation of pancreatic enzymes (amylase and lipase), generates symptoms such as episodes of emesis, changes in the radiographic anatomy of the pancreas and, in severe cases, hemorrhagic signs such as in necrotizing pancreatitis. The epidemiology of this entity is little known, being reported in the literature most of the time, as isolated cases, underdiagnosis and making this pathology a event in pediatrics. Cases of Acute Pancreatitis (PA) in children acquire an additional need and require immediate treatment. Drugs, toxins, infections, metabolic disorders, biliary, systemic and genetic diseases, as risk factors for the development of the disease.In this case report, a 9-year-old patient presented with a clinical picture of epigastric pain and 8 emetic episodes to the emergency department of a second-level hospital in Medellin. With signs of dehydration, abundant adipose panniculus, a BMI 27.5 (3D for age and sex according to WHO parameters) and paraclinical findings of necrotizing pancreatitis, requiring remission at a higher level of complexity, evaluation by pediatrics and pediatric surgery. After medical and surgical management, the patient presented a successful evolution of the clinical picture, with remission to date.PA is rare in pediatrics and multifactorial, whose incidence and prevalence are unknown in our country. A high index of suspicion is needed to avoid complications and is the priority of pain management and resuscitation with fluids.