Rare tick-borne hemolytic disease caused by intraerythrocytic protozoan parasites of the genus Babesia
Infrequently reported outside the United States
Internationally, sporadic cases h...
Travel history to endemic regions as well as exposure history are helpful.
The tick must remain attached for at least 24 hours before the transmission of B. microti occurs.
Severe disea...
In areas endemic for Lyme disease and ehrlichiosis, doxycycline 100 mg BID PO empirically treats coinfection until serologic testing is complete.
Drug resistance has emerged i...
If left untreated, silent babesiosis may persist for months or years (2).
Alkaline phosphatase levels >125 U/L, WBC counts >5 × 109/L, history of cardiac ab...
B60.0 Babesiosis
21061004 Babesiosis
73908004 Infection by Babesia microti
24620004 Hemolytic anemia due to babesiosis
Ticks must remain in place for 24 hours to transmit infection. Encourage daily “tick checks” if people are exposed in high-risk areas.
Most patients do not recall tick exposure, and inc...
Sign up for a 10-day FREE Trial now and receive full access to all content.
FIG. 11.66. Babesiosis. Babesiosis should be suspected in the setting of fever and anemia occurring in a patient living in an endemic area, such as Cape Cod. This girl, splenectomized during an episode of abdominal trauma years earlier, has a large number of ring forms in her erythrocytes.
FIG. 11.66. Babesiosis. Babesiosis should be suspected in the setting of fever and anemia occurring in a patient living in an endemic area...