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After Profender, when will my kitten expel worms or will I see them?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered | 2 months and 16 days old | 2 lbs

I have just applied Profender for kittens on my 10 week old kitten. How long before he starts to puke up the worms ?

1 Answer

Most Helpful Answer

Answered By Dr. Strydom, DVM

Veterinarian

Published on November 17th, 2017

Profender is absorbed rapidly through the skin into the bloodstream and ultimately reaches the gastrointestinal tract where it is effective in killing susceptible parasites (roundworms, hookworms and tapeworms).

Profender will kill susceptible parasites that are present in the intestine at the time of treatment. Cats should receive treatments every 3 months and kittens should receive treatment at 8 and 12 weeks and every 3 months thereafter to prevent future infestations. Reinfection can occur from the environment and contact with other infected pets.

She may not vomit any worms or pass them out of the stools. It depends what stage of the life cycle the worms are in and which species of worm you are referring to. If you don't see any worms it does not mean it is not working.

Hope this answers your question. If you have additional questions feel free to post again.

4Pet Parents found this answer helpful

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