​Differential Diagnosis of Poorly Localized Abdominal Pain

​Differential Diagnosis of Poorly Localized Abdominal Pain 
• uraemia, 
• Somatization disorder, malingering, hypochondriasis, Munchausen’s syndrome, functional
• Referred pain:
• Pulmonary: pneumonia, pulmonary embolism, pneumothorax
• actue intermittent porphyria
• Musculoskeletal: rectus sheath hematoma
• Metabolic: diabetic ketoacidosis (DKA)
• Infectious: infectious mononucleosis, Rocky Mountain spotted fever, acquired immunodeficiency syndrome (AIDS), streptococcal pharyngitis (in children), herpes zoster
• hypothyroidism
• hypokalaemia
• hyperthyroidism
• hyperparathyroidism
• hyperlipidaemia, 
• hypercalcemia,
• Hematologic: sickle cell crisis, leukemia or lymphoma, Henoch- Schönlein purpura
• Genitourinary: prostatitis, epididymitis, orchitis, testicular torsion
• Early appendicitis, gastroenteritis, peritonitis, pancreatitis, abdominal aortic aneurysm, mesenteric insufficiency or infarction, intestinal obstruction, volvulus, ulcerative colitis
• Drugs and toxins: heavy metal poisoning, black widow spider bites, withdrawal syndromes, mushroom ingestion
• Cardiac: angina, myocardial infarction, pericarditis, myocarditis