See anthelmint(h)ic
• (n.) A vermifuge.
Hel·min'tha·gogue noun [ Greek ... a worm + ... to drive.] (Medicine) A vermifuge. 
Type: Term Pronunciation: hel-minth′ă-gog Synonyms: anthelmintic1
helminthagogue 1. Having the power to expel intestinal worms; anthelmintic. 2. A medicine for expelling intestinal worms. 3. Helminthagogues, or Helminthicks, medicines that drive out worms or cause them to be voided.