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The Daily Insight

Is program for cats discontinued?

Author

Matthew Wilson

Updated on February 25, 2026

The injectable formula for cats was designed as an alternative to the relatively unpopular and now discontinued oral liquid.

Can cats have injection for fleas?

Tablets and injections Flea medication administered in tablet or injection form is also a good option, if you find it difficult to give your pet a spot on treatment. It works by preventing the development of eggs into fleas, eliminating new generations all together.

How long does the flea injection take to work?

It can be used alongside other flea treatments and starts killing fleas in as little as 15 minutes, getting rid of them all in 24 hours. You’ll still need to give your pet a thorough comb to remove any eggs, though, and vacuum the house.

Is program flea control safe for cats?

PROGRAM: Is an artificial insect hormone that goes into the pet’s fat and is released slowly over the next 32 days. It is safe for both dogs and cats. This hormone, when taken in by the flea with its blood meal, prevents the eggs laid by that flea from hatching or developing into adults!

How does Program flea treatment work?

When a cat is given a Program injection (or the liquid or chewable tablet), the active ingredient, lufenuron, is absorbed and enters the cat’s bloodstream. When an adult female flea bites a cat that has received Program, lufenuron is deposited into the flea’s eggs, preventing them from developing and hatching.

Does program for cats work?

Although Program does not kill adult fleas, preventing the development of eggs eventually eliminates new generations of fleas in the environment. In this way, Program can successfully control a flea infestation.

How much does a flea shot cost?

Cost of Pet Vaccines Nearby low-cost clinics often charge $10 to $15 per shot, while private practices charge $15 to $28 per shot plus a $30 to $50 examination fee.

How long does the flea injection last for cats?

While these don’t actually kill adult fleas, injections work by breaking the life cycle of a flea by preventing the development of flea eggs. One injection can last up to six months, but it has to be administered by a vet. Find out more about preventing and treating cat fleas.

What is the best and safest flea treatment for cats?

Here are the best flea treatment and prevention products for cats in 2021

  • Best topical flea preventive for cats: Revolution Plus Topical Solution.
  • Best OTC topical flea treatment for cats: Frontline Plus.
  • Best fast-acting flea control product for cats: Comfortis Chewable Tablets for Cats and Dogs.