Gastroenteritis - Bacterial Differential Diagnosis

Last updated: 23 April 2026

Differential Diagnosis

The following conditions should be ruled out in the diagnosis of bacterial gastroenteritis:

  • Inflammatory bowel disease
  • Ischemic colitis
  • Parasitic infection (eg cryptosporidiosis, giardiasis)
  • Viral gastroenteritis (eg norovirus, rotavirus)