Parts used: Stem, leaves, flowers.
Useful components: Achilleine, camphor, eugenol, proazulene, sterols, sesquiterpene lactones, tannins, triterpenes.
Medicinal use: Yarrow is considered to be antipyretic, diaphoretic, astringent, anti-inflammatory, antispasmodic, carminative, cholagogue, hemostatic and sedative. It has been shown useful in cases of fevers and colds (usually in form of a tincture or infusion). In form of a tea, it is helpful in cases of stomach ulcers, amenorrhea, abdominal cramps, abscesses and diarrhea caused by bacterial infections. It relieves menstrual pains and cramps, and has a sedative effect, and acts as anti-inflammatory in cases of cystitis and urethritis. External use (ointments, salves, powders) is beneficial in treatments of hemorrhoids, nosebleed, wounds and bruises.