Gastroenterology
Gastroenterology focuses on the digestive system, including the esophagus, stomach, intestines, liver, pancreas, and gallbladder.
- Celiac Disease (autoimmune gluten sensitivity, Marsh classification, tTG-IgA)
- Crohn's Disease (transmural inflammation, skip lesions, biologic therapy)
- Diverticulitis (diverticulosis, complicated vs uncomplicated, Hinchey classification)
- Gallbladder Disease (cholelithiasis, cholecystitis, Tokyo guidelines, HIDA scan)
- Gastroesophageal Reflux Disease (GERD, Barrett's esophagus, PPI therapy)
- Inflammatory Bowel Disease (IBD overview, Crohn's vs UC)
- Crohn's vs Ulcerative Colitis: Key Differences
- Diagnostic Workup: Calprotectin, Colonoscopy, MRE
- Biologics: TNF, IL-23 & Integrin Inhibitors
- JAK Inhibitors & S1P Modulators
- Diet: SCD & Mediterranean
- Surgery: Resection, J-Pouch, Ostomy
- Extraintestinal Manifestations
- Fatigue, Anemia & Nutrient Deficiencies
- Pregnancy & IBD
- Irritable Bowel Syndrome (Rome IV criteria, IBS subtypes, low-FODMAP diet)
- Pancreatitis (acute and chronic, Ranson criteria, Atlanta classification)
- Peptic Ulcer Disease (H. pylori, NSAID-induced, triple therapy, Forrest classification)
- Ulcerative Colitis (mucosal inflammation, aminosalicylates, colectomy)
- SIBO (small intestinal bacterial overgrowth) — full article plus 8 deep-dive guides on gas subtypes, breath testing, low-FODMAP, elemental diet, rifaximin, herbal antimicrobials, prokinetics & relapse prevention, and root causes