ExoticRx · exoticrx.com/drugs/pyriproxyfen
Nylar, Vectra(component)
Juvenile hormone analog that mimics insect juvenile hormone, preventing flea eggs from hatching and larvae from developing into adults. Disrupts the flea life cycle without killing adult fleas.
Extremely low mammalian toxicity. Toxic to aquatic invertebrates — keep treated animals away from water bodies. Does not kill adult fleas; combine with adulticide for complete flea control.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
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A dog/cat sample is shown here. Cited dosing for all 2 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
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