Differential Diagnoses: Epistaxis

Shanna Hillsman, LVMT, University of Tennessee

M. Katherine Tolbert, DVM, PhD, DACVIM (SAIM), University of Tennessee

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Differential Diagnoses: Epistaxis

Following are differential diagnoses, listed in order of likeliness, for patients presented with epistaxis.


  • Nasal tumor
  • Trauma
  • Idiopathic rhinitis
  • Periapical abscess
  • Fungal rhinitis
  • Nasal foreign body
  • Oronasal fistula
  • Leishmaniasis 


  • Thrombocytopenia
  • Thrombocytopathia
  • Coagulopathy
  • Vasculitis
  • Hypertension
  • Less commonly:
    • Leishmaniasis
    • Angiostrongylus vasorum
    • Scott syndrome


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