Hepatozoonosis of Dogs and Cats

Gad Baneth*, Kelly Allen

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations


Hepatozoon canis and Hepatozoon americanum are tick-borne infections of dogs transmitted by different tick species, with dissimilar geographic distributions, target organs, and clinical syndromes. H canis is transmitted mostly by the brown dog tick Rhipicephalus sanguineus sensu lato, affects hemolymphoid organs, is associated with anemia and other hematologic abnormalities, and is widely prevalent globally, whereas H americanum is transmitted by the Gulf Coast tick Amblyomma maculatum, causes severe myositis, and is an emerging parasite in the southern United States. Treatment of these 2 infections decreases the parasitic load without elimination. Domestic cats are infected with 3 Hepatozoon species.

Original languageAmerican English
Pages (from-to)1341-1358
Number of pages18
JournalVeterinary Clinics of North America - Small Animal Practice
Issue number6
StatePublished - Nov 2022

Bibliographical note

Funding Information:
The authors declare that they have no conflict of interest related to any of the topics presented in this publication.


  • American canine hepatozoonosis
  • Hepatozoon americanum
  • Hepatozoon canis
  • Hepatozoon felis
  • Hepatozoon silvestris


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