Fly Bite

Clinical Manifestations

Allergic Reactions

  • Anaphylaxis (see Anaphylaxis, [[Anaphylaxis]])
    • Epidemiology
      • Blackfly (see Blackfly Bite, [[Blackfly Bite]])
        • May Also Induce a Late Systemic Syndrome with Fever, Leukocytosis, Lymphadenitis, and Papular Skin Lesions
      • Deerfly (Chrysops) (see Deerfly Bite, [[Deerfly Bite]])
        • Painful Bite
      • Horsefly (see Horsefly Bite, [[Horsefly Bite]])
        • Painful Bite
      • Louse Fly
      • Sandfly (see Sandfly Bite, [[Sandfly Bite]])
      • Tsetse Fly Bite (Glossina) (see Tsetse Fly Bite, [[Tsetse Fly Bite]])

Infectious Transmission

  • Enteric Infections
    • Epidemiology: houseflies have been associated with the transmission of enteric infections in areas of the world with poor hygiene and limited access to clean water
    • Organisms
    • Escherichia Coli (see Escherichia Coli, [[Escherichia Coli]])
  • Leishmaniasis (see Leishmaniasis, [[Leishmaniasis]])
    • Vector: sandfly (see Sandfly Bite, [[Sandfly Bite]])
    • Organism: xxxx
  • Myiasis (see Myiasis, [[Myiasis]])
    • Epidemiology: usually seen in travelers returning from tropical areas, but may also occur in warm humid areas in the US
    • Physiology: fly larvae embedded in the skin
    • Clinical:
      • Skin Nodules
  • Onchocerciasis (River Blindness) (see Onchocerciasis, [[Onchocerciasis]])
    • Vector: Simulium blackfly
    • Organism: xxxxxx
  • South American Bartonellosis (Carrion’s Disease) (see South American Bartonellosis, [[South American Bartonellosis]])
    • Vector: phlebotomine sandfly (see Sandfly Bite, [[Sandfly Bite]])
    • Organism: Bartonella Bacilliformis
    • Clinical
      • Oroya Fever (Acute Phase)
      • Verruga Peruana (Eruptive Phase)


  • Anaphylaxis induced by horsefly bites: identification of a 69 kd IgE-binding salivary gland protein from Chrysops spp. (Diptera, Tabanidae) by western blot analysis. J Allergy Clin Immunol. 1998;101(1 Pt 1):134. [MEDLINE]