Snapshot A 36-year-old woman presents to her primary care physician after a tick bite. She reports having hiked in Alabama last week and found a tick on her arm after the hike. She denies having any rashes. One day ago, she started having subjective fevers, headache, nausea, and vomiting. Her physical exam is unremarkable and does not have any maculopapular rashes or targetoid lesions. A peripheral blood smear shows monocytes with morulae in the cytoplasm, confirming the diagnosis. (Ehrlichia infection) Introduction Classification login to view 8 more bullets Epidemiology login to view 10 more bullets Pathogenesis login to view 1 more bullet Associated conditions login to view 1 more bullet Prognosis login to view 1 more bullet Presentation Symptoms login to view 7 more bullets Physical exam login to view 2 more bullets Studies Peripheral blood smear with Wright or Giemsa stain login to view 4 more bullets Labs login to view 2 more bullets Making the diagnosis login to view 1 more bullet Differential Rocky Mountain spotted fever login to view 2 more bullets Treatment Medical login to view 6 more bullets Complications Renal failure