"Yarrow: Herbal Remedies" In addition to its antispasmodic activity, the herb contains salicylic acid (a compound like the active ingredient in aspirin) and a volatile oil with anti-inflammatory properties, making it useful to relieve pain associated with gynecologic conditions, digestive disorders, and other conditions. Taken daily, yarrow preparations can relieve symptoms of menstrual cycle and uterine disorders, such as cramps and endometriosis.
