DDx ⬇
- Gastritis
- Gastroenteritis
- Irritable bowel syndrome
- Pancreatitis
- Peritonitis
- Intestinal ischemia
- Constipation
- Urinary tract infection
- Intestinal obstruction
- Perforated viscus, eg, peptic ulcer, appendix, gallbladder, diverticulitis
- Physical or sexual abuse
- Abdominal abscess
- Ruptured ectopic pregnancy
- Ruptured spleen
- Inflammatory bowel disease
- Abdominal aortic aneurysm
- Diabetic ketoacidosis
- Hypercalcemia
- Uremia
- Parasitic infection, eg, Giardia, Strongyloides, Ascaris, tapeworms
- Adrenal insufficiency
- Lead poisoning
- Iron toxicity
- Polyarteritis nodosa
- Henoch-Schönlein purpura
- Porphyria, eg, acute intermittent porphyria
- Familial Mediterranean fever
- Black widow spider bite
Related DDx ⬆