CND-0051Fevers and infections
Old claims, quoted verbatim: not medical advice. A warning sits above the claims and never hides them; no warning does not mean safe, only that no source here has flagged the plant.
The leaves and roots are to very good purpose used in putrid and pestilential fevers, to defend the heart, and help to resist and expel the poison, or the venom of other creatures:
Nicholas Culpeper, The Complete Herbal, a new edition (London: Thomas Kelly, 1850). Project Gutenberg eBook #49513. SRC-CUL-1850