Erythema Nodosum: As an Extraintestinal Manifestation or Complication in Ulcerative Colitis?

: In our case, we want to highlight the importance of screening for opportunistic infectious diseases in these immunosuppressed patients. We present the case of an erythema nodosum triggered by reactivation of Herpes Simplex Virus (HSV) in a patient with ulcerative colitis.