Trifexis Flea and Heartworm Prevention
Trifexis Flea and Heartworm Prevention

Trifexis Flea and Heartworm Control


For families with dogs, parasites like heartworm and fleas can be more than harmful. They may be devastating. Left untreated, heartworm can be fatal to a dog. Protect your pet with routine parasite prevention.

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Product Description

Trifexis (active ingredients: Spinosad + Milbemycin Oxime) is a monthly, chewable tablet for dogs that combines two proven and trusted active ingredients.

Trifexis will kill adult fleas and prevent future flea infestations. Trifexis also prevents heartworm disease, as well as roundworms, hookworms, and whipworms. Trifexis is safe for puppies 8 weeks of age or older and at least 5 lbs of body weight or greater.

Prescription Only

Only available for current client refills. Any orders placed by non-current clients will be cancelled.

Additional Information


6 month supply, 12 month supply

Pet Weight:

Dog 5-10 lbs, Dog 10-20 lbs, Dog 20-40 lbs, Dog 40-60 lbs, Dog 60-120 lbs