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Heartgard Plus Chewables for Dogs 51-100 lbs (23-45 kg) - Brown 12 Chews

Heartgard Plus

MSRP: kr809.01
kr647.24
(You save kr161.77 )
(138 reviews) Write a Review
UPC:
9327073004515
Availability:
In Stock - Ships within 1 business day
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Heartgard Plus Chewables offer a delicious monthly treat that prevents heartworm disease while controlling roundworms and hookworms.

Benefits & Features:

  • Prevents heartworm disease by targeting tissue-stage heartworm larvae.
  • Controls and treats roundworms and hookworms.
  • Beef-flavored chew for easy, palatable administration.
  • Safe for puppies from 6 weeks of age, pregnant and breeding females.
  • Suitable for all dog breeds, including Collies.
  • Dosing recommendations for optimal safety and efficacy.

Directions for Use:

  • Administer once every month throughout the year.
  • For dogs up to 11 kg (25 lbs): Give 68mcg (1 tablet from the blue pack).
  • For dogs 11-22 kg (26-50 lbs): Give 136mcg (1 tablet from the green pack).
  • For dogs 22-44 kg (51-100 lbs): Give 272mcg (1 tablet from the brown pack).
  • Dogs over 44 kg (100 lbs): Require a combination of tablets.
  • Ensure your dog has a heartworm test before starting Heartgard.

Caution:

  • Avoid administering to dogs allergic to the ingredients.
  • If your dog hasn't been on ivermectin for up to 6 months, start the medication and test for heartworms after 6 months.

Possible Side Effects:

  • Rare side effects when used at recommended dosage.
  • Safe for all dog sizes and breeds, including puppies, pregnant females, and Collies.

Active Ingredients:

  • Ivermectin
  • Pyrantel

Available Options:

  • Colors:
    • Blue (for dogs up to 11 kg or 25 lbs)
    • Green (for dogs 12-22 kg or 26-50 lbs)
    • Brown (for dogs 23-45 kg or 51-100 lbs)
  • Sizes: Available in packs of 6 or 12 chews

Disclaimer: Our 12-packs are intended for multi-dog households and are supplied as multiple smaller packs (e.g., 2 x 6 packs or 4 x 3 packs). Please be aware that we cannot guarantee a 12-month expiry on these items. 

138 Reviews Hide Reviews Show Reviews

  • 5
    Great Choice

    Posted by Kelly Carter on Feb 11, 2026

    We decided to order from Sierra for our 4 dogs heart guard. We will order from here from now on.

  • 5
    Absolutely best prices for all dogs needs

    Posted by Barbara Rogers on Jan 23, 2026

    Will always order from this Seller, best prices ever.

  • 5
    Heartguard Plus

    Posted by Lindsay McCrea on Sep 12, 2025

    Can’t beat the price! Shipping is a little arduous. But happy with Sierra Pet

  • 5
    Heartgaurd

    Posted by Bill Showalter on Sep 06, 2025

    I’ve been using heart guard for over ten years now it’s the best thanks

  • 5
    Works great for Otsa and Me

    Posted by Randell on Aug 25, 2025

    This product has worked well for my old girl. I'm told it can work as a preventative and treatment so safe to use without heart worm testing. I'm sure someone will correct me if I'm wrong.

  • 5
    Heartguard

    Posted by Donna McManus on Aug 25, 2025

    The meds are exactly what I ordered and needed for my dog. They arrived in perfect condition and in a timely manner.

  • 5
    Heartworm Meds

    Posted by Linda on Aug 05, 2025

    Dog eats them like treats....

  • 5
    HeartGuard Plus 23-45kg

    Posted by Ray on Aug 04, 2025

    Always fast prompt shipping, great price

  • 5
    Heartguard

    Posted by Deanna Becker on Jul 27, 2025

    Excellent service & product