Cutaneous / subcutaneous / soft tissue
Tick (Hyalomma)

Topic Completed: 1 October 2018

Minor changes: 3 March 2020

Revised: 4 February 2019

Copyright: (c) 2018-2020,, Inc.

PubMed Search: Tick Hyalomma[TI]

Nat Pernick, M.D.
Page views in 2019: 204
Page views in 2020 to date: 110
Cite this page: Pernick N. Tick (Hyalomma). website. Accessed August 15th, 2020.
Definition / general
  • Vectors for several important disease agents, including Crimean-Congo hemorrhagic fever virus, several Rickettsia spp., Anaplasma phagocytophilum, Coxiella burnetii and possibly Rift Valley fever virus (Pritt: Creepy Dreadful Wonderful Parasites Blog - Answer to Case 506 [Accessed 10 October 2018])
  • Have been implicated in human tick paralysis
  • Both female and male ticks bite humans and can transmit pathogens
  • Compared to Ixodes ticks which climb vegetation and wait for a host to walk by, Hyalomma actively seek out their hosts (similar to Amblyommma)
Case reports
Clinical images

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Skin lesion at bite site

Gross description
Gross images

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Various images

Dorsal image of male

Ventral image of male

Differential diagnosis
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