Snapshot A 34-year-old man presents to the emergency room for acute-onset fever, pain in the eyes, and ulcer. He has not been to the physician in years, so his past medical history is unknown. He currently works at an angora rabbit farm and interacts with the animals daily. He reports being bit recently on his forearm, where there is now a lesion. On physical exam, he is febrile. He has severe conjunctival injection bilaterally and has multiple 1-2-cm tender cervical lymph nodes. On his left forearm, there is a 1-cm ulcer with elevated edges. Introduction Classification login to view 6 more bullets Epidemiology login to view 6 more bullets Pathogenesis login to view 2 more bullets Associated conditions login to view 4 more bullets Prognosis login to view 2 more bullets Presentation Symptoms login to view 7 more bullets Physical exam login to view 9 more bullets Imaging Chest radiography login to view 6 more bullets Studies Labs login to view 3 more bullets Making the diagnosis login to view 1 more bullet Differential Cat-scratch disease login to view 2 more bullets Brucellosis login to view 2 more bullets Treatment Medical login to view 9 more bullets Complications Renal failure Meningitis Erythema nodosum