Historically, the plant has been used in folk medicine; the flowering heads are collected before they are fully developed and dried in shade. The drug contained has been used in numerous brands of proprietary medicine prescribed for kidney and bladder disorders, arthritis and rheumatism. In homoeopathy an essence, based on fresh material, is given for the same ailments. A weak infusion can be taken as a diuretic or used externally as a stronger infusion to bathe slow-healing cuts, burns and eczema. There are no known harmful side effects.
