What’s the best dog flea pill? Our pick for best oral flea control product for dogs is Simparica TRIO, a chewable tablet that is fast-acting and kills more parasites than any other oral product. Simparica TRIO starts to work within four hours and kills 100% of adult fleas on dogs within eight hours.
What pill do vets give dogs for fleas? Comfortis is the FDA-approved chewable, beef-flavored tablet that kills fleas and prevents flea infestations on dogs and cats for a full month. Comfortis is: Convenient. Easy to give and mess-free.
Does flea pills for dogs kill fleas? Some flea pills kill adult fleas, others kill larvae, and some inhibit a flea’s ability to lay eggs.
Do flea pills for dogs work? OTC flea pills (like Capstar or Advantus) can only kill adult fleas, which means they can get rid of existing fleas but won’t do anything to prevent them. Plus, they aren’t recommended to give to your dog regularly. Prescription flea pills, on the other hand, are better for long-lasting flea prevention.