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Requires Prescription
At a Glance
Monthly medication that treats heartworm disease
Removes whipworm, roundworm, and hookworm
Artificial beef flavor makes it more appetizing


Milbemycin Oxime

Interceptor is a monthly medication for your dog or cat that prevents and treats heartworm disease and the treats cases of whipworm, roundworm, and hookworm. [+]

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This product requires a prescription.

Customer Reviews

Rated 4.9 out of 5 by 130 reviewers.
Rated 5 out of 5 by So glad it's back I am so glad that Interceptor is back on the market. It works great and costs less than the others. I had trouble getting my dog to take the other chewable preventatives. I had to cover it with peanut butter to get her to take it. This, she just takes right out of my hand like it's a treat. October 19, 2015
Rated 5 out of 5 by Whipworm remedy I was a little concerned that my dog would be OK on Interceptor because she's been on a different heart worm med for years now and because when she was a puppy she had heart worm. The reason for the switch was because Abby had/has whip worms and her vet thought it would be better for her to be on Interceptor year-round because whip worms are hard to get rid of. She seems to do well on the meds, but the true test will come after her 2 month appointment in early August. I'm optimistic. July 20, 2015
Rated 5 out of 5 Interceptor We have used this since my Aussie has been a puppy with no complcations at all. January 28, 2012
Rated 5 out of 5 Ozzy's Grandma Our daughter has a very spoiled and loved Jack Russell Terrier and he just loves these. He gets his once a month treat and we have no problem getting him to take this. June 20, 2011
Rated 5 out of 5 Support your local vets! I support my vet and will by my precriptions there. If this online pharmacy trend continues, you're all going to put your vets out of business! Then who's going to write the Rx?!? May 7, 2011
Rated 5 out of 5 Interceptors I have been using interceptors for years now. They work so much better then heart guard, is what my vet told me. I usually buy pill pockets to put the pills in to give to my dogs. May 6, 2011
Rated 3 out of 5 No great deal My vet charged me the same price so no big price savings for me! April 22, 2011
Rated 5 out of 5 Dogs are special friends! Vet started giving this product to my dog two and half years ago, she suggested crushing it and putting in dab of peanut butter - works great and he is a very healthy dog. April 21, 2011
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Customer Q&A

Novartis Heartworm & Deworming Interceptor Interceptor is a monthly medication for your dog or cat that prevents and treats heartworm disease and the treats cases of whipworm, roundworm, and hookworm. prescription 38.99 Condition: new In stock! Order now!
Interceptor 5 out of 5 0 based on 130 ratings.