Over-the-counter vaginal pH tests can’t be used to diagnose specific conditions, but they are valid screening tools. These tests change colors to show the pH of vaginal discharge, which can help users discern whether they might have a bacterial infection or a yeast infection. These tests are fairly accurate (up to 90%) and can help users make informed decisions about pursuing further treatment.[1]
Are at-home vaginal pH tests legitimate?
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•Last Updated: May 16, 2025
At-home vaginal pH tests are valid screening tools that can indicate the presence of bacterial or yeast infections by changing colors to show the pH of vaginal discharge. Although they cannot diagnose specific conditions, they are fairly accurate (up to 90%) and can assist users in deciding whether to seek further treatment.