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Velvet Digest

How fast does pet Action Plus work?

Author

Christopher Harper

Updated on May 07, 2026

As PetAction® Plus is applied, it is absorbed and spread through the sebaceous glands throughout your pet's skin. This takes between four and twelve hours depending on the size of the animal. Once these pesky parasites come in contact with PetAction® Plus, they will begin dying immediately.

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Consequently, is pet action as good as frontline?

Benefits: Pet Action Plus is Generic Frontline Plus. PetAction Plus is a monthly spot on treatment that kills fleas, flea eggs, larvae, ticks, and chewing lice. PetAction™ Plus has the exact same two active ingredients (Fipronil 9.8%, S-Methoprene 8.8%) as Frontline® Plus*, but sells for a fraction of the cost.

One may also ask, does Pet Action Plus expire? There is no expiration date for PetAction Plus. It has a shelf life of up to 10 years if stored according to the label instructions. For best results, we recommend using any flea and tick product within 2 to 3 years of purchase."

Moreover, is PET Action Plus safe for cats?

Product description PetAction Plus for Cats contains the active ingredients, fipronil and (S)-methoprene, as found in Frontline Plus for Cats. PetAction Plus for Cats effectively kills fleas, flea eggs and larvae, ticks and chewing lice. It is fast-acting, long-lasting, waterproof, and easy to use.

What is the best flea treatment for dogs?

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  • Our Top Pick: Bayer K9 Advantix II Extra Large Dog.
  • Our Runner Up Pick: Frontline Plus for Dogs Large Dog.
  • Best Budget Pick: Advecta II Flea Treatment.
  • Best Oral Flea Medicine for Dogs: Novartis Capstar Flea Tablets for Dogs and Cats.
Related Question Answers

Is PetArmor as good as Frontline Plus?

If you're short on funds but need to save your pet from a flea and tick problem, PetArmor is a budget friendly solution. Although it contains the same active ingredients as Frontline Plus, it has a different mixture of inactive ingredients, which have some negative effects on pets.

Where is the expiration date on Frontline Plus?

Answer: No. According to the Frontline website FAQ's there is no expiration on the product, as long as it is stored at room temperature and sealed in the original packaging.

What is the best flea treatment for cats?

The best flea medication for cats
  • When it comes to flea medications for cats, the top two options are Comfortis and Capstar.
  • Novartis Capstar Flea Control Tablets are an excellent alternative to topical flea preventives and flea collars which can sometimes cause reactions in cats with sensitive skin.