NCIt definition : Any agent that is effective against infections caused by parasitic organisms and is
able to inhibit their growth or kill them. This class consists of anthelmintics and
antiprotozoals.;
Alternative definition : NCI-GLOSS: Drugs used to treat bacterial and parasitic infections and some cancers.; NICHD: Substances that kill or inhibit the growth or other functions of parasites,
and that are used in the treatment of parasitic infections.;