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At a Glance
Tasty beef-flavored chewables dogs actually want to take!
Heartworm prevention
Flea prevention & control
Treatment & control of common intestinal parasites (whipworms, hookworms, roundworms, and tapeworms)
This product requires a prescription.

Sentinel Spectrum

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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).
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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.

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Rated 5 out of 5 by 4 reviewers.
Rated 5 out of 5by HAPPY!Happy and easy for my loving companion, Jackson Browne. 06/24/2018
Rated 5 out of 5by Sentinel Spectrum is Fantastic!I used to purchase Trifexis for my 4 dogs - and it was such a struggle to get them to take it because it tasted so bad - but Sentinel Spectrum is fantastic - I have no trouble getting all 4 dogs to eat it right out my hand! I haven't seen a flea and no heartworms since they've been on this- and the price through PetCareRX can't be beat! 02/07/2018
Rated 5 out of 5by GreatDog loves, will purchase again1 01/19/2018
Rated 5 out of 5by My Dog Loves them.The price of this product is great. My dog loves this and it makes it easy to give it to her. 01/09/2016
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