Aims We will compare the effect of an extended azithromycin (2 g of over several days) vs 1 g stat for those where >50 WCs per hi power field were found.
Methods We have reviewed all cases of NSU over a 3-month period following the introduction of extended treatment with azithromycin for those with hi levels of WCs per hpf. We will review the records of those patients diagnosed with NSU in previous years (over the same months) who were treated with regimes of either doxycycline 100 mg twice daily for 7 days or azithromycin 1 g stat.
Results Following the change in policy half of all patients treated for NSU received an extended course. In the group who had hi levels of WC's 13% were subsequently found to be chlamydia positive by PCR and 87% were chlamydia negative. In the group with low levels of WC's 10% were chlamydia PCR positive and 90% were chlamydia negative. Of those with hi levels of WCs per HPF treated with a total of 2 g of azithromycin 18% returned to clinic complaining of continuing symptoms. This compares to 20% with low levels of WCs per hi powered treated with the standard 1 g of azithromycin who suffered persistence/recurrence following treatment We will present data on those patient treated in previous years with both doxycycline and azithromycin at a dose of 1 g.
Discussion So far we have analysed only those cases following the change in policy. We will present data that will demonstrate any change in response to extended azithromycin. The results will demonstrate whether the extended course has any benefits and at what cost.
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