Nausea and Vomiting - Differential Diagnosis Algorithm Upper Gastrointestinal - Acute • Infectious Gastroenteritis • Gastric/Duodenal Obstruction • Gastric Volvulus Upper Gastrointestinal - Chronic • Gastroesophageal Reflux Disease • Peptic Ulcer Disease • Gastroparesis Lower Gastrointestinal - Acute • Infectious Gastroenteritis • Small/Large Bowel Obstruction • Acute Appendicitis • Mesenteric Ischemia • Acute Diverticulitis Lower Gastrointestinal - Chronic • Inflammatory Bowel Disease • Colonic Neoplasm Hepatobiliary • Acute Hepatitis • Acute Cholecystitis • Cholelithiasis • Choledocholithiasis • Acute Pancreatitis Endocrine/Metabolic • Pregnancy • Diabetes/ DKA • Uremia • Hypercalcemia • Addison's Disease • Thvroid Disease Other • sepsis (e.g. pyelonephritis, Pneumonia) • Radiation Sickness • Acute Myocardial Infarction Drugs/Toxins • Chemotherapy • Antibiotics • Ethanol • Carbon Monoxide • Heavy Metal • Nicotine High Intracranial Pressure • Hemorrhage • Meningitis • Infarction • Malignancy • Head Trauma Vestibular (Inner Ear) • Ear Infection • Motion Sickness • Vestibular Migraine • Méniére's Disease Psychiatric • Self-Induced (Bulimia) • Cyclic Vomiting • Psychogenic #Nausea #Vomiting #emesis #Differential #Diagnosis #Algorithm #Causes
