Pediatric Vomiting - Gastrointestinal and Systemic Causes - Differential Diagnosis Algorithm Hepatobiliary: • Acute Hepatitis • Acute Pancreatitis Upper Gastrointestinal - Acute: • Infectious Gastroenteritis • Gastric/Duodenal Obstruction • Pyloric Stenosis • Intussusception • Gastric Volvulus • Necrotizing Enterocolitis Upper Gastrointestinal - Chronic: • Gastroesophageal Reflux Disease • Peptic Ulcer Disease • Gastroparesis • Gastritis Lower Gastrointestinal - Acute: • Infectious Gastroenteritis • Small/Large Bowel Obstruction • Intussusception • Acute Appendicitis • Incarcerated Hernia Lower Gastrointestinal - Chronic: • Intestinal Atresia • Midgut malrotation Endocrine/Metabolic: • Pregnancy • Diabetes/ DKA • Uremia • Hypercalcemia • Addison's Disease • Thyroid Disease Systemic - Other: • Sepsis (e.g. Pyelonephritis, Pneumonia) • Radiation Sickness • Poisoning • Food Allergy • Urinary Tract Infection Drugs/Toxins: • Chemotherapy • Antibiotics • Carbon Monoxide High Intracranial Pressure (CNS): • Hemorrhage • Meningitis • Head Trauma • Brain Tumour • Hydrocephalus Vestibular (Inner Ear): • Ear Infection (Otitis Media) • Motion Sickness • Vestibular Migraine • Méniére's Disease • Labrynthitis Psychiatric: • Self-Induced (Bulimia) • Cyclic Vomiting • Psychogenic #Emesis #Vomiting #Differential #Diagnosis #Algorithm #Causes #Peds #Pediatrics
