[Difficulties in diagnosis of lyme borreliosis].

A case of borreliosis in female aged 28 years is presented. Diagnosis was made late. The course of the disease was characterized by long-lasting high fever, enlargement of liver and spleen, pancreatitis, pneumonia of the left lung and anemia. During the antibiotic therapy (rocephin) neutropenia was observed. In every case of long-lasting fever of unknown origin, borreliosis should be taken into consideration.