.)
The mechanical anthelmintics are strictly confined to those agents which kill the worm in the body by piercing its cuticle with the sharp darts or spiculae of the cowhage hairs, or the fine metallic points of powdered tin (
pulvis stanni
). When these drops are employed, they should be given in honey or treacle for ten or fifteen days, and an aperient powder every fourth morning, to expel the killed worms.
785. Male Fern Root
Male Fern Root is a powerful anthelmintic, and an astringent. It is used to kill tapeworm.
Dose
, three drachms of the powdered root mixed in a teacupful of water, to be taken in the morning while in bed, and followed by a brisk purgative two hours afterwards; or from a tablespoonful to a wineglassful, according to age, to be taken early in the morning. (