“…9,13 Colonoscopy findings include mucosal edema, erythema, friability, purulent exudates, erosions, and ulcerations. 9,13 Diagnosis can be challenging because presentation overlaps with other pathologies, and radiological and histopathological features can be nonspecific. Biopsy findings of chemical colitis include edema, acute inflammation with neutrophilic infiltration, ulceration, necrosis and extravasation of red blood cells, granular atrophy with hyalinization of lamina propria, and evidence of ischemic colitis.…”