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Your dog must be up to date with heartworm prevention in order to be prescribed heartworm medication. Please see your veterinarian for a heartworm test if your pet is not currently on heartworm prevention or has missed more than 2 doses.


NexGard SPECTRA® is a heartworm and tick preventative that kills heartworm larvae, treats tick and flea infestations, and helps to control and treat hookworms, roundworms, and whipworms for dogs. It comes in a tasty chewable tablet that you should feed to your dog once a month.


Size: 3 chews

Nexgard Spectra Fleas Tick Mites Heartworm Prevention

  • Do not start in puppies below eight (8) weeks of age. All pets above six (6) months of age who are not on a current heartworm prevention program must be tested for existing heartworm infection before starting treatment with this medication. See product label for user safety directions. Keep this and all drugs out of the reach of children. In case of ingestion by humans, clients should be advised to contact a physician immediately.

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