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Nexgard Spectra (Afoxolaner/ Milbemycin)

Also known as: Nexgard

Pet Size

Don't know your pet's weight?

If you can't get them on the scale, try this super simple method:

  1. Weigh yourself.
  2. Weigh yourself holding your pet.
  3. Subtract the two numbers to get their weight.

Too heavy to hold? Your vet will weigh them if you ask (or may already have it on file if you call).


No Prescription Required

  • Description

    Nexgard Spectra is a chewable flea and tick tablet for dogs that works to prevent heartworms and kill intestinal worms too. Dogs should be able to enjoy the outdoors without having their health put at risk by parasites, and Nexgard Spectra is the best choice for being an all in 1 flea, tick and worm medication. Plus, your dog is going to find the beef flavour mighty tasty! Give it to them once a month and rest easier knowing these parasites have no chance at all.


    Dogs get Nexgard Spectra flea killer chews once a month, and you give it to them around the same day / time each month. Many owners set a reminder in their phones. Follow this dosage schedule for Nexgard Spectra and order the correct product accordingly:

    • Dogs 4.5 to 8 lbs (2-3.5kg) - 0.5g flea and tick chewable once a month
    • Dogs 8 – 16 lbs (3.6 – 7.5kg) - 1g flea and tick chewable once a month
    • Dogs 16 – 33 lbs (7.6-15kg) - 2g flea and tick chewable once a month
    • Dogs 33 – 66 lbs (15.1 – 30kg) - 4g flea and tick chewable once a month
    • Dogs 66 – 130 lbs (30.1 – 60kg) - 8g flea and tick chewable once a month

    Your pet can have one Nexgard Spectra with or without dog food, and breaking up flea and tick chews into smaller pieces is a good way for some dogs.


    The active ingredient in Nexgard Spectra for Dogs are Afoxolaner and Milbemycin Oxime.


    Nexgard Spectra flea, tick and worm prevention tablets are exclusively for dogs and should not be administered to any other pets, including cats. For dog use only. Dogs under 8 weeks of age should not be given Nexgard Spectra. Dogs weighing less than 4.5lbs (2kg) are not approved to take the 0.5g dosage of Nexgard Spectra.

    The safety of this product for breeding, pregnant, or lactating dogs has not been clinically evaluated. Pet owners should either use with caution or speak to their veterinarian about other flea and tick prevention alternatives for dogs. Keep out of reach children and animals.

    Side Effects

    Side effects related to use of Nexgard Spectra for Dogs flea tick and worm are uncommon. Some animals may experience vomiting, diarrhea, lethargy or loss of appetite. When symptoms are observed you should discontinue use immediately and consider talking with your veterinarian about worm prevention and flea and tick control alternatives.


    There are no known interaction risks between Nexgard Spectra flea tick and worm chews and other Rx drugs.

    Product Code : 13196