Update on flea and tick associated diseases of cats

1 de junho de 2020

Atualização sobre doenças associadas a pulgas e carrapatos em gatos


Michael R. Lappin


There are multiple vector-borne diseases in cats, the most prominent being those transmitted by mosquitos, sandflies,fleas, and ticks. Many of the agents vectored byfleas or ticks have been grown or amplified from blood orhave induced antibodies in the serum of normal cats or those with clinical signs like fever and will be the focus ofthis manuscript. As high as 80% offleas collected from cats contain at least one organism that could induceillness in cats or people.Anaplasma phagocytophilum,Bartonellaspp.,Borreliaspp.,Ehrlichiaspp., hemoplasmas,andRickettsiaspp. infect cats and can be associated with clinical illness.Anaplasma phagocytophilumandB.burgdorferiare transmitted byIxodesspp.,Ehrlichiaspp. andA. platysare transmitted byRhipicephalus sanguineus.Fleas vectorBartonellaspp., hemoplasmas, andR. felis. Recently,R. typhuswas detected in cats in Spain. Lethargyand fever are commonfindings in cats withflea and tick borne diseases. Hemoplasmas are associated withhemolytic anemia. Moderate thrombocytopenia is associated with the tick-vectored agents. Polymerase chainreaction assays performed on blood collected in the acute phase of infection can be used to prove presence of theorganisms. Doxycycline at 5 mg/kg, PO, twice daily or 10 mg/kg, PO, daily can be effective for resolving theclinical signs. If doxycycline is ineffective or not tolerated,fluoroquinolones can be effective for treatment ofclinical illness associated withBartonellaspp., hemoplasmas, andRickettsiaspp. Use offlea and tick controlproducts is effective for blocking transmission of many of the agents.


Anaplasma; Bartonella; Borrelia Ehrlichia;  hemoplasmas; Rickettsia Ixodes; Rhipicephalus


Anaplasma; Bartonella; Borrelia Ehrlichia;  hemoplasmas; Rickettsia Ixodes; Rhipicephalus

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