What is the difference between FRONTLINE ® PLUS and FRONTLINE ® SPOT ON? Both products kill fleas and ticks on your pet, however FRONTLINE® PLUS has an advanced formula that also stops flea eggs that fall off pets from hatching in your home.

This FRONTLINE Plus Spot On Kills fleas within 24 hours of contact, it also kills by affecting the parasites' central nervous system, making fleas appear more visible before dying. This is non-systemic meaning it acts on contact, not via the pet's blood so the parasites do not need to bite the pet to be killed.

And can be lethal to your cat. So always check first and make sure you're using the right product. And use the one specific four cats frontline plus is important for cats and the reason is that it

fipronil The product is an insecticidal and acaricidal solution for topical use, containing an association of an adulticidal active ingredient, fipronil, in combination with an ovicidal and larvicidal active ingredient, (S)-methoprene.

Advantage contains Imidacloprid which is a neonicotinoid chemical which acts on adult fleas and lice in the same way as nicotine does which causes excessive stimulation which leads to paralysis and death of these parasites. While Frontline Plus contains Fipronil and (S)-Methoprene.

Frontline Plus. This name-brand product is constantly recommended by veterinarians and pet owners alike, but does it live up to its hype? Check out our in-depth product review to see what we conclusions we came too…

Topical products with fipronil (e.g. Frontline) do not repel or prevent tick attachment, which means you may still see ticks crawling on your pet. It will not kill ticks until after attachment for 24 hours.

All three ingredients currently found in Frontline products (fipronil, (S)-methoprene, pyriproxyfen) generally appear to have a low potential for toxicity both topically and even if accidentally ingested.

Side effects with any of the topical Frontline® products are uncommon but may include itching, redness, or irritation at the site of application. If any signs of skin irritation occur, bathe your pet with mild soap and large amounts of water. Rarely, additional side effects may include: Drooling.

Summary of Reviews for FRONTLINE Spot On Flea & Tick Treatment Dogs & Cats. 548 out of 589 (93%) customers would recommend this product.

Frontline Spray provides long-lasting, effective control of fleas and ticks on your pet. It kills up to 100% of existing fleas in less than 24 hours. Frontline Spray continues killing fleas for an entire month or more.

There are several Frontline products: Shield, Plus, and Gold. Our top choice for an OTC flea preventive is Frontline Plus, which also protects against chewing lice and helps control sarcoptic mange infestations.