Clinical data support the use of tea tree oil for vaginitis and cervicitis caused by Trichomonas vaginalis or Candida albicans (WHO 2003). An open study found that intravaginal application of tampons saturated in a diluted emulsified solution successfully healed vaginitis and cervicitis (n = 130) caused by T. vaginalis. Vaginal pessaries containing 0.2 g essential oil inserted nightly eradicated symptoms of leucorrhoea and burning in 86% of women with C. a/b/'cans vaginitis after 30 days in with 75% becoming free of infection.
A case report shows that a 5-day course of 200 mg tea tree oil in a vegetable oil base inserted into the vagina may also be successful at treating vaginal candidiasis (Blackwell 1991). As used here, tea tree oil treatment eradicated anaerobic bacterial vaginosis, confirmed upon examination 1 month later.
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