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At a Glance
Kills heartworms, hookworms, roundworms, and other parasites
Convenient chewable made with real beef that your dog will love
Safe and effective; EPA and FDA approved
This product requires a prescription.

Heartgard Plus Chewables for Dogs

Our Price

Free Shipping on orders over $48
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).
Supply For
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How To Order Prescriptions Online

  • 1

    Find the right product

    Make sure it matches your pets prescription. Don't forget to compare the dosage for pills/capsules!

  • 2

    Add to Cart

    Just like any other online store. Make sure the quantity matches what's been prescribed by your veterinarian.

  • 3

    Tell us about your pet and vet

    Answer some questions during checkout and we'll contact your vet and verify the prescription for you. (you can also mail us the written prescription)

  • 4

    That's It!

    If the prescription has any refills, processing your future orders for that medication can be expedited.

  • Other Customers Also Bought for their Pet

    Frontline Plus
    • Kills any disease carrying tick within one day of application
    • Prevents every stage of flea life (eggs, larvae, and pupae) from developing into adults
    • Frontline Plus is waterproof
    • Available in 6 or 12 month packs, for dogs in weight ranges 5-22 lbs, 23-44 lbs, 45-88 lbs, and 89-132 lbs
    K9 Advantix II for Dogs
    • Kills fleas and ticks within 12 hours
    • Kills flea eggs, pupae, larvae, and adults for 30 days
    • Kills and protects against mosquitoes, which are the primary cause of heartworm
    • Protect your dog from a variety of disease carrying ticks
    Advantage II
    • Kills all stages of flea life (including eggs, larvae, and adult) within 12 hours
    • Kills fleas on contact, so they die before they bite your dog
    • Kills and protects against lice
    • Waterproof protection for a full 30 days

Customer Reviews

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Rated 5 out of 5 by 680 reviewers.
Rated 5 out of 5by SURPRISINGLY GREAT!I always worry when I have something to give him that is necessary and has to be eaten. He is a picky eater, and what is good today may not be tomorrow. When I gave him his first chewable, three months ago, I wasn't sure if he would like it and agree to eat it. I broke it in half hoping smelling the inside would be more enticing. When he ate the first one and looked at me for the other piece I was holding in my hand I praised him and smothered him and scratched him all over. After that when I show him the box and tell him I have something for him, he gets excited, sits in front of me and stares until he gets his chewable. Happy Mommy status!!! Thank You :) 01/11/2019
Rated 5 out of 5by New pet ownerHeartgard is an effective product. I only wish that a company could produce a Heartgard product that dogs would enjoy! 12/31/2018
Rated 5 out of 5by A must!Never miss giving Heartguard to your pets!....and at this value, it is doable! 12/27/2018
Rated 5 out of 5by Heartgard Really WorksI love ordering Heartgard from PetCareRx. The ease of use and the timely delivery are a great value...not to mention the savings I received by buying online. I would highly recommend. 12/27/2018
Rated 5 out of 5by Easy to administerI have beagles and they swallow it down with no problem 12/14/2018
Rated 5 out of 5by Heartgard PlusSeems to work. She's doing fine for a German Shepherd pushing 12 years old. 12/09/2018
Rated 5 out of 5by Bostie loves to take MedsMy Boston Terrier Murphy loves to take these chews. We don't have force him or trick at all he takes it easily and even does tricks for it like it's a treat. 12/06/2018
Rated 5 out of 5by We haven't had any issues......They seem to work 12/04/2018
Rated 5 out of 5by Great ProductMy dog looks forward to the first of the month for her special "treat" she receives. I have been using heartgard for my dog and a previous dog for years and never had a problem. Petcarerx always has the best price when it comes time to re-order. I shop around everytime, but always come back. 11/19/2018
Rated 4 out of 5by Heartgard trusted!I have trusted Heartguard as long as I have had dogs in my life, I just wish it was more affordable. Product does what is says and I have never had an issue with my pets taking this meds. 11/14/2018
Rated 5 out of 5by ALL STAR Annual Check-upSadie received a good report this past week for her Annual Check-up and heart worm checkup. She also had no flea and tick issues this pass season. Thanks Heartgard and NexGard 11/07/2018
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