• 20-50% of patients with inflammatory bowel disease will have a cutaneous manifestation.
  • Cutaneous manifestations of inflammatory bowel disease fall under one of four categories: nutritional deficiency, associated conditions, Crohn's-specific and/or treatment-related.
  • Erythema nodosum is the number one associated condition seen in cutaneous manifestations of inflammatory bowel disease.
  • If a patient has neutrophilic dermatosis, keep inflammatory bowel disease in mind.
  • One-third of patients with epidermolysis bullosa acquisita will have inflammatory bowel disease, so they need a GI workup.