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Two treatment regimens for disseminated
Lyme borreliosis (mainly neurologic and musculoskeletal manifestations) were compared in a randomized trial. A group of 30 patients received oral cefixime 200 mg combined with probenecid 500 mg three times daily for 100 days. Another group of 30 patients received intravenous ceftriaxone 2 g daily for 14 days followed by oral amoxicillin 500 mg combined with probenecid 500 mg three times daily for 100 days. There was no statistically significant difference in the outcome of infection between the two groups. However, the total number of patients with relapses or no response at all and the number of positive polymerase chain reaction findings after therapy were greater in the cefixime group. The general outcomes of infection in patients with disseminated
Lyme borreliosis after 3-4 months of therapy indicate that prolonged courses of antibiotics may be beneficial in this setting, since 90% of the patients showed excellent or good treatment responses.