Hartz Guard Ultra Plus is effective against the larvae and adults in the intestines, however it also reactivates the larvae encysted in the tissues, which then migrate to the intestines. (dogcare.dailypuppy.com)
The life cycle of the lungworm includes frogs, lizards, birds, and rodents as transport hosts of encysted larvae. (rachelebaker.com)
Quest ® Gel is a broad spectrum anthelmintic that with just a single dose, effectively treats and controls encysted small strongyles, bots and roundworms. (zoetisus.com)