Virbac EFFITIX Flea & Tick Spot Treatment for Dogs, 23-44.9 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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Customer Rating | |||||
Price | $40.50Chewy Price | $38.21Chewy Price | $40.50Chewy Price | $38.21Chewy Price | $40.50Chewy Price |
Autoship | $38.48Chewy Price | $36.30Chewy Price | $38.48Chewy Price | $36.30Chewy Price | $38.48Chewy Price |
Top Ingredients | Fipronil: 6.0%, Permethrin: 44.8%, Pyriproxyfen: 1.8%... | Fipronil: 9.78%, Pyriproxyfen: 2.94%, Glycol Ether: 80 - 90%. | Fipronil: 6.0%, Permethrin: 44.8%, Pyriproxyfen: 1.8%... | Fipronil: 9.78%, Pyriproxyfen: 2.94%, Glycol Ether: 80 - 90%. | Fipronil: 6.0%, Permethrin: 44.8%, Pyriproxyfen: 1.8%... |
Lifestage | Adult | Adult | Adult | Adult | Adult |
Breed Size | Small Breeds, Medium Breeds | Small Breeds, Medium Breeds | Small Breeds | Extra Small & Toy Breeds, Small Breeds | Medium Breeds, Large Breeds |
3 Customer Questions
what's the difference between effitix and effipro?
Answer by • Oct 25, 2018
The Effitix contains Fipronil: 6.0%, Permethrin: 44.8%, Pyriproxyfen: 1.8%, Glycol Ether: 40-50% and the Effipro contains Fipronil: 9.78%, Pyriproxyfen: 2.94%, Glycol Ether: 80 - 90%.
Is this safe for kids and cats? One of my dogs is BFFs with the cat, and she grooms him and they wrestle. and I have kids.
Answer by • Mar 18, 2020
Keep out of reach of children and cats.
Can this be used on a lactating dog?
Answer by • Apr 25, 2019
We urge you to speak with your veterinarian to determine what is the safest treatment for your dog.