In instances of skin or oral/vaginal membrane inflammation and infections, yarrow is frequently combined with other herbs, such as calendula, St. John’s wort, juniper, nettle, marshmallow root, chamomile, and ginseng.[1][2][3][4] In studies using yarrow plus mixed herbs for a variety of conditions (vaginitis, gingivitis, tonsillitis, and atopic dermatitis), only one trial concluded that yarrow combination therapy was more effective than the control/standard-of-care comparator (acute tonsillitis; proprietary combination extract BNO1030; 4 drops administered orally, 3-4x per day for 10 days).[2] When yarrow ointment was compared to a standard-of-care ointment (5 g ointment applied directly to site, nightly, for 7 days), standard of care was found to be superior to yarrow in reducing the signs and symptoms of vulvovaginal candidiasis.[5]
Does yarrow help reduce skin/mucosal irritations or infection?
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•Last Updated: May 16, 2025
Yarrow is often used in combination with other herbs for treatment of skin and mucosal irritations and infections, but studies show mixed results regarding its effectiveness. In one trial, yarrow combination therapy was effective for acute tonsillitis, whereas yarrow ointment was found to be less effective than standard care for vulvovaginal candidiasis.