Virbac EFFITIX Flea & Tick Spot Treatment for Dogs, 45-88.9 lbs, 3 Doses (3-mos. supply)
By Virbac
$40.50Chewy Price
$38.48Autoship Price
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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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Price | $40.50Chewy Price | $38.21Chewy Price | $49.97Chewy Price | $40.50Chewy Price | $38.21Chewy Price |
Autoship | $38.48Chewy Price | $36.30Chewy Price | $47.47Chewy Price | $38.48Chewy Price | $36.30Chewy Price |
Top Ingredients | Fipronil: 6.0%, Permethrin: 44.8%, Pyriproxyfen: 1.8%... | Fipronil: 9.78%, Pyriproxyfen: 2.94%, Glycol Ether: 80 - 90%. | Active Ingredients: Imidacloprid 8.80%, Permethrin 44.00%, Pyriproxyfen 0.44%... | Fipronil: 6.0%, Permethrin: 44.8%, Pyriproxyfen: 1.8%... | Fipronil: 9.78%, Pyriproxyfen: 2.94%, Glycol Ether: 80 - 90%. |
Lifestage | Adult | Adult | Adult, Puppy, Senior | Adult | Adult |
Breed Size | Medium Breeds, Large Breeds | Medium Breeds, Large Breeds | Small Breeds, Medium Breeds | Small Breeds, Medium Breeds | Small Breeds, Medium Breeds |
7 Customer Questions
What's the difference between Virbac's Effipro and Effitix?
Answer by • Aug 04, 2020
EFFIPRO Plus is for convenient, quick acting, long-lasting, effective control of fleas, flea eggs, flea larva, ticks, and chewing lice. EFFITIX Plus is for convenient, quick-acting, long-lasting, effective control of fleas, flea eggs, flea pupae, flea larvae, ticks, mosquitoes, and lice.
I will be trying this on my larger doodle at the end of the month. My mini doodle will still be taking Nexgard. I know you’re supposed to keep cats away from a treated dog, but do I also have to keep my smaller dog away from her brother for a whole day? Because that’s not happening...
Answer by • Apr 19, 2021
The medication is quick-drying, non-greasy, and remains effective after bathing, shampooing, water immersion, or sunlight exposure. It is okay for them to be in the same vicinity as each other.
What is the expiration date for this product
Answer by • Jan 31, 2021
Every expiration date will be different for each box, as different batches are constantly being produced.
Would this replace using an additional heart worm preventative?
Answer by • Mar 06, 2020
While this topical solution helps control mosquitoes–a potential source of heartworm disease, it does not kill heartworms and should not replace an additional heartworm preventative.