US lawFederal (United States)RegulationsTitle 21 CFR — Food and DrugsChapter I — FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICESPart 357 — MISCELLANEOUS INTERNAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USESubpart B — Anthelmintic Drug Products357.10321 C.F.R. § 357.103Definition.Last amended: 2016Year: 2026Length: 13 wordsOfficial source Cite as 21 C.F.R. § 357.103 (2026)As used in this subpart: Anthelmintic. An agent that is destructive to worms.Previous21 C.F.R. § 357.101Next21 C.F.R. § 357.110