Ehrlichiosis

Infection is caused by obligate, intracellular organisms that affects cells of immune system in Dogs and Cats. Family Anaplasmataceae. Etiology : *Ehrlichia canis* (dog)  🠊🠊🠊🠊🠊🠊🠊  affects monocytes *Ehrlichia ewingii* (cat) 🠊🠊🠊🠊🠊🠊🠊 affects  granulocytes Ticks : *Rhipicephalus sanguineus* *Amblyomma americanum* *Ixodes scapularis* Clinical Signs : Dyspnea Depression Splenomegaly  Generalized Lymphadenopathy Edema of scrotum and legs Fever Anterior uveitis Diagnosis : Clinical signs Positive serum indirect flourescent antiody titer (IFA) Direct blood smear and microscopy Treatment : Doxycycline **5-10** mg/kg/day **IV** for **21 days**  (Drug of choice)