ÚÄÄÄÄÄÄÄÄ¿ ³Centaury³ ÀÄÄÄÄÄÄÄÄÙ (Erythraea centaurium) The herb and leaves have been used as a tonic, a febrifuge, a diaphoretic, and a stomachic and for rheumatism*, sore throat* and fevers*. It is said to help sciatica, kill worms in the belly, and ease joint pains and gout. A decoction* of the leaves and flowers has been drunk for colic*, to bring on menstruation and to ease childbirth pain. Externally, you can use a lotion for freckles, spots and marks on the skin.