Table 3.

Drugs recommended for arthropod control in cats

Drug (Company)	Arthropod	Species targeted	Route	Dose (mg/kg)
Insecticides/Acaricides
Fipronil (Merial)	Ticks	Ixodes, Dermacentor, Rhipicephalus sanguineus, Amblyomma, Haemophysalis	0.25% spray and 10% spot-on	7.5–15
	Fleas	Ctenocephalides felis
Selemectin (Pfizer)	Fleas	Ct felis	Spot-on	6
Nitenpyram (Novartis)	Fleas	Ct felis	Oral	2–4
Imidocloprid (Bayer)	Fleas	Ct felis	10% spot-on	10–20
Insect growth regulators
Fipronil/Methoprene (Merial)	Fleas, ticks	Ct felis, Ixodes, Dermacentor, Rhipicephalus sanguineus, Amblyomma, Haemophysalis	10%/9% combined spot-on	7.5–15
Lufenuron (Novartis)	Fleas	Ct felis	Oral	30
			Subcut	10
Pyriproxifen (Virbac, Bayer)	Fleas	Ct felis	10% spot-on	12–30