What are the active medicinal properties of yarrow?

Research reveals no clinical data regarding the use of yarrow to treat any condition. However, yarrow has been used to induce sweating and to stop wound bleeding. It has also been reported to reduce heavy menstrual bleeding and pain.

It has been used to relieve GI ailments, for cerebral and coronary thromboses, to lower high blood pressure, to improve circulation, and to tone varicose veins. It has antimicrobial actions, is a natural source for food flavoring, and is used in alcoholic beverages and bitters.