Virbac EFFIPRO Flea & Tick Spot Treatment for Dogs, 23-44.9 lbs, 3 Doses (3-mos. supply)

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About This Item

Details

  • Powerfully effective formula safely protects your canine friend from parasitic pests for up to four weeks.
  • Begins working immediately upon application to control fleas, flea eggs, flea larvae and ticks, including infestations.
  • Also helps control biting mosquitoes–a potential source of heartworm disease, as well as chewing lice and sarcoptic mites.
  • Waterproof, UV-resistant solution continues to work even after bathing, shampooing, water immersion or exposure to sunlight.
  • Recommended for use on medium breed dogs and puppies 8 weeks or older and weighing 23 to 44.9 pounds.

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Instructions

FAQ

Learn More About Virbac From Our Team of Experts
Important Information

Fleas rise to the top of your pet's coat as they die, so consider it a triumph if you start seeing more fleas at first, after treating your pet. If you’re still seeing fleas after application, it may be because your pet has picked up new fleas from the environment, which may include other pets, surfaces and outdoor areas. It may take up to 30 days to break the entire flea life cycle. Additionally, you should also treat sources of new fleas (i.e., carpet, yard, etc.) to ensure complete flea control.

About Virbac Dog Pest Protection

Pest Protection

External parasites can be a nuisance to your dog. Use Virbac's topical product for convenient, quick-acting, long-lasting, effective control of fleas and ticks. Kills adult fleas for up to one month and prevents flea eggs from hatching or developing into larvae or adult stages for up to 3 months. Do not use on dogs less than 8 weeks of age. Do not use on cats.

Team Up Against Parasites

Every dog, everywhere deserves affordable year-round parasite protection. IVERHART MAX® (ivermectin/pyrantel pamoate/praziquantel) Soft Chew offers broad coverage with protection against heartworms, roundworms, hookworms and tapeworms. A proven formula with active ingredients recommend by veterinarians for years, IVERHART MAX Soft Chew is bacon-flavored; a soft chew that your dog will love. Important Safety Information for IVERHART MAX ® (ivermectin/pyrantel pamoate/praziquantel) Soft Chew: All dogs should be tested for existing heartworm infection before starting treatment with IVERHART MAX Soft Chew. Use with caution in sick, debilitated, or underweight dogs weighing less than 10 lbs. Gastrointestinal and neurological signs, such as convulsions, have been reported following the use of ivermectin products. For complete product information, refer to the product insert.

Protect Your Home

Not only are there solutions to help control parasites on your dog, but Virbac also has a solution for your home. KNOCKOUT® Area Treatment kills adult fleas and ticks and controls pre-adult fleas (Larvae) for 120 days. For indoor use only. For use in homes and residential use sites. Not for use in commercial or industrial buildings.

About Virbac

Founded in 1968 by a French veterinarian, Virbac is an independent pharmaceutical laboratory dedicated to animal health. For fifty years, the company has built a personalized relationship with veterinarians. Through this partnership, Virbac contributes, day after day, to shape the future of animal health.

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4.3
Rated 4.3 out of 5 stars
14 Ratings
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3 Customer Reviews

Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.

Rated 5 out of 5 stars
By Ellen on Dec 20, 2025

No reaction to this

I have used this product for 6+ years. My old vet had recommended it. When they closed, I tried Advantix. My dog would hide when I got out the package every month

I have used this product for 6+ years. My old vet had recommended it. When they closed, I tried Advantix. My dog would hide when I got out the package every month. This told me it was irritating her. So, I switched back to this. No weird side effects and dried much quicker. I live in the city, but I spend a lot of time camping and in the woods. I’ve never found a flea or tick. I won’t ever switch again!

Rated 1 out of 5 stars
By Mary on Aug 3, 2018

Not as good as Effitix which I ordered and which was NOT delivered 5 times

Chewy.com let me down completely so that I eventually got a refund and obtained what I ordered from them elsewhere. This was sent to me as 'compensation' but does

Chewy.com let me down completely so that I eventually got a refund and obtained what I ordered from them elsewhere. This was sent to me as 'compensation' but does not repel mosquitos (according to the label) although Chewy.com assured me it did. I will never be ordering from this company again.

Rated 5 out of 5 stars
By Sandy on Jun 20, 2018

Feedback on purchases

I was very pleased with this purchase. I will probably buy again

I was very pleased with this purchase. I will probably buy again