The aim of this study was to evaluate the clinical performance of a topical formulation combiningivermectin, imidacloprid, and praziquantel forfleacontrol in domesticcatsunder field conditions. Methods: A total of 142 naturally infestedcatsof varying ages, sexes, and body conditions were included in the study.
Answer Topicalivermectincan indeed be toxic to somecats, especially those with a sensitivity to it. Many safe and effective alternatives are available for felinefleatreatment, easing your concerns.
FRONTLINE® Plus forCatsandKittens is a fast actingfleaandtick treatment proven to kill adultfleas,fleaeggs and larvae, and more. Learn more here.

Even thoughfleasandticks are not spaghetti-like worms, some drugs in theivermectinfamily will killfleas, ticks and ear mites. If the heartworm medication is not effective againstfleasandticks, it will be combined withfleaandtick preventative to create a single once-a-month parasite medication that prevents against both internal and ...
Fleaandtick control remains important as well. Routinefleaandtick control helps minimize skin irritation and smallbite-related wounds, which can otherwise create opportunities for NWS flies to lay eggs." NexGard and NexGard COMBO are authorized to be dispensed only by, or on the order of, a licensed veterinarian.

“I’ve used 5 drops of liquidIvermectinfor cattle for years on the back of the necks of my 2–3lb chickens to treat parasites externally and internally with no adverse effects. I have a 6-month-old straycatat just 3.30lbs.