Definition of Anthelmintic:
Anthelmintics (Gr. against, + a worm) destroy (Vermicides, L. vermis, worm, + caedere, to kill) or expel (Vermifuges, L. vermis, worm, + fugare, to put to flight) intestinal worms. Vermifuges: castor oil, jalap, scammony. Vermicides, for:
[Culbreth1927, pg 45]
- Thread worms (Oxyuris vermicularis): vegetable astringents, alum, iron sulfate, aloe, tannin, lime water, quassia, all by enema;
- Round worms (Ascaris lumbricoides): santonin, spigelia, chenopodium, each in combination with either calomel, castor oil, senna, or compound powder of jalap;
- Tape worms (Taenia solium) Taenifuges: aspidium, kamala, kousso, pomegranate, pumpkin seed, turpentine.
Kills or reduces the growth/replication of helminths. In-vitro activity does not necessarly correlate with in-vivo activity. May function in-vivo by modulating the immune system, in which case should also be categorized as an immunomodulator [ORWJr].
Anthelmintics are medicines which have the power of destroying or expelling worms from the intestinal canal [Brown1878; Meyer1932].
Note the spelling - the prefix is "ant" rather than "anti" [ORWJr].