Differentials of acute abdominal pain in children

Common differentials of acute abdominal pain in children

• Constipation

• IBS

• Dysmenorrhea

• Mittelschmerz (ovulation)

• Infantile colic

• Appendicitis

• Viral or bacterial gastroenteritis

• Mesenteric adenitis

• UTI

• Sickle cell crisis

• HSP

• Intussusception

• Ileus

• Gastritis

** = Common

Traumatic

• Duodenal hematoma

• Ruptured spleen

• Perforated viscus

• Traumatic pancreatitis

Functional

• Constipation**

• IBS**

• Dysmenorrhea**

• Mittelschmerz (ovulation)**

• Infantile colic**

• Abdominal migrane

Infectious

• Appendicitis**

• Viral or bacterial gastroenteritis**

• Mesenteric adenitis**

• Abscess

• Spontaneous bacterial peritonitis

• Pelvic inflammatory disease

• Cholecystitis

• Urinary tract infection**

• Pneumonia

• Bacterial typhlitis

• Hepatitis

Genital

• Testicular torsion

• Ovarian torsion

• Ruptured ovarian cyst

• Ectopic pregnancy

Genetic

• Sickle cell crisis**

• Familial Mediterranean fever

• Porphyria

Metabolic

• Diabetic ketoacidosis

Inflammatory

• Inflammatory bowel disease

• Vasculitis

• Henoch-Schönlein purpura**

• Pancreatitis

Obstructive

• Intussusception**

• Malrotation with volvulus

• Ileus**

• Incarcerated hernia

• Postoperative adhesion

• Meconium ileus equivalent (cystic fibrosis)

• Duplication cyst

• Congenital stricture

Biliary

• Gallstone

• Gallbladder hydrops

• Biliary dyskinesia

Peptic

• Gastric or duodenal ulcer

• Gastritis**

• Esophagitis

Renal

• Kidney stone

• Hydronephrosis/ureteropelvic junction obstruction