Sex partners in the 60 days prior to the patient’s onset of symptoms or diagnosis should be advised to seek evaluation, testing, and presumptive treatment.
Trichomonas
The recommended first-line treatment for trichomonas now differs for men and women: metronidazole 2 g po as a single dose for men, and metronidazole 500 mg po twice a day for 7 days for women.1 Tinidazole 2 g po as a single dose is an alternative for both men and women. Previously, the single metronidazole dose was recommended for men and women,2 but there is now evidence that the 7-day course is markedly superior in achieving a cure in women.
No test of cure is recommended, but women should be retested at 3 months because of a high rate of re-infection. Current sex partners should be treated presumptively, and treated patients and their partners should avoid sex until all current sex partners have been treated. Consider expedited partner therapy if allowed by state law.
Bacterial vaginosis
First-line treatment recommendations for bacterial vaginosis (BV) have not changed: metronidazole 500 mg po twice a day for 7 days, or metronidazole gel 0.75% intravaginally daily for 5 days, or clindamycin cream 2% intravaginally at bedtime for 7 days. Advise women to avoid sexual activity or to use condoms for the duration of the treatment regimen.
A test of cure is not recommended if symptoms resolve, and no treatment or evaluation of sex partners is recommended. The guidelines describe several treatment options for women who have frequent, recurrent BV. To help prevent recurrences, they additionally suggest treating male partners with metronidazole 400 mg po twice a day and with 2% clindamycin cream applied to the penis twice a day, both for 7 days.
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