Evidence supporting the use of: Tea Tree Oil
For the body system: Vagina

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Table of Contents

Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Tea tree oil (Melaleuca alternifolia) has a long history of traditional use, particularly in Australia, where indigenous populations applied it for its purported antimicrobial properties. In the context of vaginal health, tea tree oil is most commonly used in folk and alternative medicine to address issues such as yeast infections (vulvovaginal candidiasis) and bacterial vaginosis. The rationale is based on laboratory studies demonstrating tea tree oil’s broad-spectrum antimicrobial and antifungal activity. However, these in vitro studies do not directly translate to clinical efficacy. Scientific evidence in humans is sparse and largely consists of small, low-quality studies or case reports. Most mainstream medical guidelines do not recommend tea tree oil for internal use due to concerns about irritation, allergic reactions, and lack of rigorous clinical trials. Despite this, some over-the-counter vaginal suppositories and washes containing tea tree oil are marketed for these purposes, reflecting its ongoing popularity in traditional and alternative health circles. Overall, while there is some laboratory support for its antimicrobial effects, robust clinical evidence in vaginal health is lacking, and potential risks should be considered.

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