Desiccants like diatomaceous earth are non-toxic ways to treat
active flea populations.
Not exact matches
Oral
flea control medications like Comfortis can be preferable to spot - on topical treatments because they can not be washed or rubbed off, they maintain their efficacy more reliably between doses, and
flea populations have not yet developed resistance to their
active ingredients.
For the majority of pet owners who keep their homes at a consistently warm temperature throughout the winter season, this can mean that a
flea population, once settled indoors, can remain
active all year long.»