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Related Articles & Questions

Health & Wellbeing
Simparica Trio vs. Trifexis: Best Flea & Tick Med for Your Dog?
Unsure which flea & tick medication to choose for your pup? Check out our comparison of Simparica Trio vs. Trifexis to see which product will work best for your dog!
Updated on October 29th, 2025
Health & Wellbeing
Interceptor vs. Heartgard: Guide to Heartworm & Worm Prevention
Search Petco to find the benefits of both Interceptor and Heartgard worm medicines for dogs. We strive to help you keep your pup happy and healthy.
Updated on October 29th, 2025
Health & Wellbeing
Interceptor vs. Interceptor Plus: Best Heartworm & Worm Med for Dogs
At Petco, learn more about the benefits & differences of Interceptor & Interceptor Plus dewormer for dogs with heartworm, roundworms, hookworms & tapeworms.
Updated on October 29th, 2025
Health & Wellbeing
Unlock Optimal Health: Best Pet Supplements for Your Dog & Cat
Discover how to choose the best supplements for your pet’s health, from essential vitamins to joint support and digestion aids. Learn age-specific and seasonal supplement tips for cats and dogs.
Updated on October 29th, 2025
Health & Wellbeing
GlycoFlex: Your Guide to the Best Joint Support for Pet Mobility
GlycoFlex is a joint support supplement typically prescribed to dogs and cats. Visit Petco and learn uses, dosage, side effects and more. Get it online or in store now! 
Updated on October 29th, 2025
Health & Wellbeing
Snowball only has peanut butter once a month when it’s time to take her trifexis. We give her Skippy. Would it be safe to give it to her in skippy pretzel bites? Or should I just stick to the plain peanut butter.
Pretzel bites are ok as well. Either is fine in this case. : ) Trifexis isn't the best smelling flea/heartworm preventative, so I understand the struggle with trying to make it more palatable for her. Best wishes with your pet Snowball moving forward! Take care.
Updated on August 12th, 2025
Health & Wellbeing
My 2 small dogs have been Trifexis for the past 1 to 2 years but last month it stopped working & they're covered in fleas! What should I switch to?
Oh no! Fleas are not a fun surprise! Trifexis prevents fleas, heartworms and some intestinal parasites. Since this isn't working for you, I typically recommend using either Nexgard, Bravecto or K9 Advantix II as flea and tick prevention. Please note that Nexgard and Bravecto are prescription-based (like the Trifexis), so these would need to be obtained by Prince's vet. Prince and his friend will also need to start a separate heartworm prevention, such as Heartgard or Interceptor, but again, these are prescription-based. Until you can pick up these new medications, you can bathe both dogs in original blue Dawn dish soap because this will help to kill the existing adult fleas. I hope this helps and that all goes well!
Updated on August 12th, 2025
Health & Wellbeing
Is Triflex a generic version of flea and tick medicine? My grandma said she used it, but I think she meant Trifexis. I just want to be sure.
Hi, thanks for using Boop by Petco! So there is something called Triflex which is a human joint supplement. It isn't used for flea and ticks. I would ask her again and ask her what she uses the product for. If she is referring to flea and tick prevention she likely just misspoke as there is no generic for Trifexis that I am aware of. Have a good day!
Updated on August 12th, 2025
Health & Wellbeing
My dog just started trifexis for his fleas. They said within 1 hour it should kill them. But he still continues to scratch a lot and it's been almost 3 days. Why could this be and how does trifexis actually work?
Trifexis works by killing fleas when they bite your dog, but they don't repel fleas. If Dallas is still scratching a lot, fleas could be getting on him from the home, or he could have developed a flea allergy from a previously heavy burden of fleas. It is important to disinfect your home when your pet has had fleas. Wash his bedding in hot soapy water, and vacuum the furniture and carpet surfaces. You can use a spray to kill fleas in the house, such as Indorex, or a flea bomb would work well to kill the fleas in the home. I would also take Dallas into the vet to discuss the continued scratching, as he may benefit from medications such as steroids if he has a flea allergy.
Updated on August 12th, 2025
Health & Wellbeing
When taking my pet on his normal walk, I discovered a white worm in his poo. He’s currently taking Trifexis, does this not prevent worms? If not, what can I pick up for him over the counter?
Hello and thank you for your question. First, I Just want to applaud you for taking a prophylactic approach to heartworm and internal parasites by giving trifexis monthly. Great job. Trifexis takes care of and prevents roundworms, hookworms, and whipworms. It does not, however, prevent a dog from getting infested by other internal parasites such as tapeworms or coccidia. Because there are so many different types of medications available over the counter that treat different types of worms in a dogs gastrointestinal tract, I encourage you to take a fecal sample to your local veterinarian to get a definite diagnosis and correct treatment. It would be best to take in a sample of the feces as well as one of the worms that you find for best results. I hope this helps. Have a great day.
Updated on August 12th, 2025