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If it is available, my best topical flea treatment for cats is Cheristin. It is very effective and kills fleas before they bite, which is helpful for cats with flea allergies since it is the bite they react to. Comfortis is a tablet that is also very effective, but it can cause vomiting.
Hello. I do not know what might be available in Canada, but I highly recommend looking at this website for the Veterinary Oral Health Council. Click on the Accepted Products link at the top, then on accepted products for cats. It will list everything that is truly tested to provide results. Thanks for using Boop by Petco. https://www.vohc.org
Regarding OTC products, Frontline is still a good option. Do know there is a diference between what you can buy without a prescription. Generally know the products sold by your vet are the most effective. Top products for dogs are oral products such as Simparica and Nexgard. Top products for cats are topicals such as Revolution and Cheristan. There is also an oral product called Comfortis that both dogs and cats can take. You will need to switch all the pets over to a good flea product. Make sure to discuss these products with your veterinarian first. These products are generally safe for all pets but there are some conditions which are contraindicated for the oral products. Cleaning up and treating the house and yard will also help but it will not clear all the fleas. The main control is making sure the pets are on good products. This is what will ultimately stop the infestation. Also remember every female fleas lays about 50 eggs a day and it could take up to 6 months before the egg
Great question! The Veterinary Oral Health Council is a group of veterinary dentists that investigates and reviews products that are marketed for dental care in pets. You can find a list of the products for cats that have received their seal of approval here: http://www.vohc.org/accepted_products_cats.html
Thanks for using Boop by Petco! In my opinion, the best two flea and tick preventative medications are Bravecto and Frontline plus. Any of those would be good options for him. Good luck and have a good night!