Does Sentinel truly prevent fleas, or just stop them from breeding?

Question

isnt sentinel supposed to be for flea prevention

Stephanie Echols, DVM · Accepted Answer

Sentinel is a monthly heartworm and intestinal parasite prevention. It also is a birth control for fleas. This means it does not kill the adult flea but it prevents them from laying eggs. If your pet has a flea allergy, this product would not be helpful because the flea would still be able to bite. There are many other flea preventions that kill adult fleas like Nexgard, Vectra, Frontline Gold, and Revolution. If you are having flea problems, I would talk to your vet about other options they have. Good luck!

Does Sentinel truly prevent fleas, or just stop them from breeding?

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