Yarrow, also known as allheal, angel flower, bad man's plaything, bloodwort, cammock, carpenter's weed, devil's nettle, devil's plaything, dog daisy, gordoloba, green arrow, herbe militaris, hierba de las cortadura, knight's milfoil, milfoil, nosebleed, old man's (the devil's) mustard, old man's pepper, plumajillo, sanguinary, soldier's woundwort, squirrel's taile, stanchgrass, stanchweed, thousand-leaf, thousand weed, woundwort, and yarroway.

A tea of the flowers raises the body temperature (good for the start of colds), works as a bitter tonic to help digestion, helps promote healthy coughing, eases spasms, and promotes menstruation. headaches, fevers, colds, and influenza. Helps curb diarrhea, dysentery, anemia, gas, diabetes, and excessive menstruation. Yarrow is an excellent treatment for gastrointestinal and gallbladder complaints, gonorrhea, toothache, lack of appetite, and problems of the digestive system. Also hyperacidity, nervousness, nosebleed, bleeding from the lungs, anorexia, enteritis, stomach ulcers, gastritis, high blood pressure, and sleep disturbances.

Topically, Yarrow tincture takes away the itch of insect bites.

Yarrow produces a feeling of peace and relaxation for women in menopause, and is a tonic.

Bathing the head in a decoction of yarrow is said to stop the loss of hair.

Pregnant women should avoid this herb. Some people are allergic to yarrow, the plant belongs to the same family as ragweed and daisies. Yarrow may also make users more sensitive to sunlight.