What disease does Ehrlichia canis cause?

What disease does Ehrlichia canis cause?

Ehrlichiosis (/ˌɛərlɪkiˈoʊsɪs/; also known as canine rickettsiosis, canine hemorrhagic fever, canine typhus, tracker dog disease, and tropical canine pancytopenia) is a tick-borne disease of dogs usually caused by the rickettsial agent Ehrlichia canis.

How is Ehrlichia canis treated?

Tetracycline (22 mg/kg given every 8 hours) or doxycycline (5 mg/kg every 12 hours), administered daily for 4 weeks, represent the treatment of choice for canine and feline anaplasmosis and ehrlichiosis. Clinical improvement may be observed in E.

What cells do Ehrlichia infect?

Ehrlichia are small gram‐negative pleomorphic coccobacilli that primarily infect circulating leukocytes and other cells derived from the hematopoietic system. There are two species of ehrlichia that cause human disease.

Is Ehrlichia a parasite or bacteria?

Ehrlichia is a genus of Rickettsiales bacteria that are transmitted to vertebrates by ticks. These bacteria cause the disease ehrlichiosis, which is considered zoonotic, because the main reservoirs for the disease are animals….

Is Ehrlichia in dogs treatable?

Treatment. Ehrlichiosis responds well to treatment with the antibiotic Doxycycline. 1 Improvement in symptoms is usually very quick, but several weeks of treatment is usually needed to ensure a full recovery. In severe cases where blood cell counts are very low, blood transfusions may be needed.

What bacteria causes ehrlichiosis?

Ehrlichiosis is caused by different species of ehrlichia bacteria. The Lone Star tick — found in south-central, southeastern and eastern coastal states — is the primary carrier of bacteria causing ehrlichiosis. Black-legged ticks, commonly called deer ticks, in the Upper Midwest are less common carriers.

What antibiotics treat ehrlichiosis in dogs?

Ehrlichia canis CME is usually successfully treated with antibiotics that belong to the tetracycline family. The treatment of choice is doxycycline at 5 mg/kg twice daily or 10 mg/kg once daily for 4 weeks.

What type of cell does Ehrlichia chaffeensis infection in humans?

chaffeensis infects predominantly mononuclear phagocytic cells. The most frequently infected blood cells are monocytes; however, infections in other cell types have been described, including lymphocytes, atypical lymphocytes, promyelocytes, metamyelocytes, and band and segmented neutrophils (1, 91, 174, 209).

What type of bacteria is Ehrlichia?

Ehrlichia is a genus of Rickettsiales bacteria that are transmitted to vertebrates by ticks. These bacteria cause the disease ehrlichiosis, which is considered zoonotic, because the main reservoirs for the disease are animals.

Is Ehrlichia Gram positive or negative?

Ehrlichia are intracellular, gram-negative organisms transmitted via tick bite and are capable of replicating in both the tick and the infected host. In addition to humans, other hosts include dogs, cattle, sheep, goats, rodents, and deer.