Yarrow is one of the best diaphoretic herbs today, and is a standard remedy for aiding the body to deal with fevers.
Yarrow lowers blood pressure due to a dilation of the peripheral vessels.
It also stimulates the digestion and tones the blood vessels. As a urinary antiseptic, Yarrow is indicated in infections such as cystitis. Used externally, it will aid in the healing of wounds. Yarrow is considered to be a specific in thrombotic conditions associated with hypertension. For raised blood pressure, it may be used with Hawthorne, Linden flowers and European Mistletoe.