Babesiosis Babesia microti

• Facts:
  Illness caused by parasite Babesia
  Transmitted by Ixodes tick
  Endemic in the NE United States
  
  Clinically significant disease occurs in immunocompromised and asplenic patients
  
• History / PE:
  Tick bite
  Jaundice
  Hemoglobinuria
  
• Diagnosis:
  Giemsa-stained thick and thin smear
  Elevated ESR
  Decreased serum complement levels
  
• Treatment:
  Quinine-clindamycin
  Atovaquone-azithromycin
• Complications:
  Renal failure
  Death
• Notes:
  Rare to see a rash (unlike other tick borne illnesses)
• See Also:
  Lyme disease