Fenbendasole as an active ingredient of the drug has a broad spectrum of anthelmintic action; it is active against mature forms of nematode eggs and larvae in
gastrointestinal tract and lungs, cestodes as well as trematodes.
Mechanism of the drug action is disruption of energy processes, destruction of microtubules in the intestinal cells of helminthes, which leads to its death.
Panafenb 22.2% granulate belongs to low toxicity drugs for warm-blooded animal. The drug does not have cumulative, embryo toxic, mutagenic action and allergenic properties in specified therapeutic doses.