B60.02

Clinical Causes: Transmission primarily occurs through bites from infected ticks, particularly the black-legged tick (Ixodes scapularis). People who spend time in wooded or grassy areas where ticks are prevalent are at increased risk. Contamination can also occur through blood transfusions or, rarely, from mother to child during pregnancy.

Key Symptoms: Fever and chills Sweating Fatigue and weakness Muscle aches Headache Loss of appetite Sweating during episodes of fever Jaundice (yellowing of skin and eyes) in severe cases Enlarged spleen or liver in some cases Anemia due to destruction of red blood cells

Diagnosis Path: Diagnosis of babesiosis involves a combination of clinical evaluation and laboratory tests. Blood smears examined under a microscope can reveal the presence of the Babesia parasites within red blood cells. Additional tests such as polymerase chain reaction (PCR) can identify Babesia DNA, confirming the infection. Blood tests may also show anemia and other related abnormalities. A detailed patient history, including recent tick exposure and travel, supports the diagnosis.

Treatment Protocols: Treating babesiosis caused by B. duncani typically involves specific antimicrobial medications. Common treatments include the combination of atovaquone and azithromycin, which effectively target the parasites. In severe cases or in immunocompromised patients, clindamycin with quinine may be used. Supportive care includes managing symptoms like fever and anemia. It is important for patients to complete the full course of treatment and follow healthcare provider recommendations for monitoring and recovery. In some instances, additional therapies may be necessary based on the severity of the infection.