Contributes to healing fever and malaria and in the elimination of the placenta after pregnancy.

Tansy is used for digestive tract problems including stomach and intestinal ulcers, certain gallbladder conditions, gas, bloating, stomachache, stomach spasms, and poor appetite.

It is also used for painful conditions including migraines, nerve pain (neuralgia), joint pain (rheumatism) and sciatica; and for heart conditions including rapid heartbeat (palpitations) and fluid retention caused by congestive heart failure.

Some women use tansy to start menstruation or cause an abortion.

Tansy is also used to treat roundworm and threadworm infections in children.

Other uses include treatment of epileptic seizures, colds, fever, hysteria, gout, kidneyproblems, and tuberculosis. It is also used to kill lice and bacteria; promote sweating; calm the nerves; and act as an antioxidant, tonic, and stimulant.

For external use, prepared as an infusion at a ratio of 5 grams of dried herb to one liter of boiling water. Use as a compress in problems like psoriasis, migraines and rheumatic pains in joints. Tansy is applied directly to the affected area for scabies, itching, bruises, sores, sprains, swelling, freckles, inflammation, vaginal discharge, sunburn, toothache, and tumors. It is also applied to the skin as an insect repellent.

Pregnancy/Lactation

Documented adverse effects (emmenagogue and abortifacient effects). Avoid use.