Hepatozoonosis

What is canine hepatozoonosis?

Canine hepatozoonosis infection comes in two forms. Hepatozoon americanum is transmitted by the Gulf Coast tick, and Hepatozoon canis is transmitted by the brown dog tick. Unlike other vector-borne diseases that are transmitted by tick bite, both forms of canine hepatozoonosis are transmitted when a dog ingests an infected tick.

What are the symptoms of Hepatozoon canis?

A dog infected with Hepatozoon canis may show few if any signs, but some of the more common symptoms can include any of the following:

  • Appetite
  • Weight loss
  • Lethargy

What are the symptoms of Hepatozoon americanum?

Hepatozoon americanum affects muscle cells, resulting in a debilitating and potentially fatal condition. A dog infected with Hepatozoon americanum will typically show severe symptoms that occur intermittently. These can include any of the following:

  • Fever/Depression
  • Generalized pain
  • Loss of muscle mass with chronic weight loss
  • Discharge from the eyes

Where is canine hepatozoonosis found?

Cases of canine hepatozoonosis have been reported in the eastern and middle-southern regions of the United States.