Used against coughs, angina, headache, fever, diabetes, constipation, diarrhoea, intestinal worms, stomach-ache, toothache, poisoning, muscular pains and as a bath to treat itching and rheumatic pains (infusion or decoction, or the juice of the leaves); applied on the skin to treat inflammations, burns, on wounds to stop bleeding and on ulcers (crushed leaves); used externally to extract pus from boils (crushed flower-heads); applied on eyelids to treat eye infections (decoction of the leaves or roots); as a mouthwash against toothache (tincture of the flowers and leaves); roots are chewed against toothache.