My cat's flea treatment failed. Can I use a new one or DE now?

If you want an effective product please use one of newer ones like Cheristin. I don't think you will get any better results with Advantage. It is recommended to wait a minimum of 3 weeks between product applications. https://worldtails.securevetsource.com/itemView/view/198944_HomeDelivery.pml?productId=115569 While you wait you can get Capstar and give him that every couple days if need be. One pill lasts 24 hours but will kill everything on him. https://www.petco.com/shop/en/petcostore/product/capstar-flea-tablets-for-cats-2-25-lbs You also need to treat the house or the fleas will keep getting on him. I recommend Knockout Spray ES: https://www.chewy.com/virbac-knockout-es-area-treatment/dp/53856

Capstar works very quickly to kill adult fleas, but does not work longer than 24 hours. Advantage II will start working within 12 hours and will work for a month. I usually recommend a topical monthly preventative (like Advantage II) be applied every month. Capstar can be added in at any time if you see adult fleas, but will likely not be needed except for the first day. I have not had good success with diatomaceous earth, but it is safe to be combined with the other products. I can't give you a recommendation on frequency for that because I have not found that it makes a difference how often it is used. Good luck! I hope that was helpful and answered your question. Thanks for using Petco Pet Education Center, formerly Petcoach.

Hello. I would wait the full month before using any more topicals on your cats, so that would mean 10/19. If you want to try a Seresto Collar ( which works very well ), you could put this on today if you like. You can also purchase Capstar ( nitenpyram ) over the counter & administer this every 2-3 days until you can use another topical. If you prefer the topicals, consider using Bravecto for cats. I have been very happy with this for my cats & you just apply this once every 3 months. As for bombs, just see what your garden center carries. Most, if not all, now contain an IGR or insect growth regulator, so look for this as it extends the use of the product when it comes to killing fleas. Each product will recommend how many bombs to use based on the square footage of your home. Thanks for using Petco Pet Education Center, formerly Petcoach.

Thanks for using Petco Pet Education Center, formerly Petcoach! Yes, you may in about 5-6 days. However, I would highly recommend you use a stronger and likely more efficacious product. There are plenty of flea products in the market and a lot of them are very effective. I prefer Bravecto and Frontline plus. You can pick one of those products. The nice thing about Bravecto is that it is very effective and it is only applied once every 3 months. You can also use a product called Capstar along with one of the previously mentioned products which can help kill a lot of fleas at once. Remember to vacuum all the surfaces that have contact with your pup regularly. This is very likely going to work well. Good luck and have a great day!

Since both Sentry and Frontline use the same active ingredient (fipronil) it is unlikely that you will see better protection switching to the Frontline. You will need to choose a product with a different ingredient, like Advantage or Revolution or a Seresto collar. If you choose to use another topical, I would recommend bathing your kitty today to remove any remnants of the Sentry, and wait 3 days to apply the next topical. It is important to wait after bathing so that the natural body oils have time to coat the skin to ensure adequate absorption. You do not need to wait or bathe to use a Seresto collar.

Hello! Thank you for using Petco Pet Education Center, formerly Petcoach! I would not apply another dose at this time. The effipro will not work immediately, you can give a Capstar which will kill all adult fleas on Stella within 30 mins. You can purchase this at any Petco Pet supply stores. This can be given even if the pet is on a monthly preventative. Combing should not have removed the treatment as long as you are applying it correctly, directly on the skin. They put a lot of liquid in those vials, so it's impossible not to get any in the fur. If in 2 weeks you are still finding fleas, you can apply another dose of the effipro. If by next month, the fleas remain a problem you may need to consider changing to another flea preventative. I hope this helps and best of luck to you and Stella!

If you used a topical preventative and applied it soon after bathing, it won't have been as effective as it should be. These produce use the oils in the skin to spread. When you bathe a pet, these oils are stripped and you have to wait for them to build up again. Typically, it recommended to apply a topical 3 days before or 3 days after a bath or getting wet. It should then be used monthly for at least 3 consecutive months, preferably year round. You should also treat the environment, since most fleas live off of the pet and only hop on for feeding. Vacuum everywhere the cats have been. Discard of the bag or empty the canister outdoors immediately after. Wash all bedding in the hottest water allowable by fabric and dry in the dryer. Use a cat safe area treatment to prevent reinfestation. An oral preventative, such as CapStar, can be given to quickly kill any adult fleas on the cats. Get it from your vet or from the local Petco.