HeartGard Plus for Large Dogs (Brown Pack – 51 to 100 lbs)
HeartGard Plus Brown Pack is a trusted monthly preventive treatment designed for large dogs weighing 51–100 lbs. This veterinarian-recommended chew protects your pet from the serious risks of heartworm disease while also controlling roundworms and hookworms for complete intestinal parasite protection.
Formulated as a delicious beef-flavored chewable, HeartGard Plus is easy to administer—most dogs enjoy it as a treat. With just one chew every month, you can keep your large dog safe, healthy, and free from harmful parasites.
Why Choose HeartGard Plus Brown for Large Dogs?
✔ Provides monthly protection against heartworm disease
✔ Controls roundworm and hookworm infections
✔ Specifically formulated for large dogs (51–100 lbs)
✔ Comes in a tasty chewable form for stress-free dosing
✔ Safe and effective for all large breeds and life stages
Give your large dog complete protection with HeartGard Plus Brown Pack—a reliable and vet-approved choice for year-round parasite defense.
HeartGard Plus for Large Dogs Brown is a 6 pack of tasty Chewables created to deworm your large sized pooch. Any dog 51-100 lbs (23-45kg) is an eligible candidate for this combination de-wormer. Feed your large dog HeartGard Plus to prevent parasites such as:
- Hookworm
- Roundworm
- And the deadly Heartworm
HeartGard Chewables Plus is to be administered once a month to keep your minute mutt from suffering the terrible effects of an unwanted parasitic invasion. So simultaneously keep your tiny tyke happy and well fed with Heartgard Chewables Plus Blue. Does not prevent Tapeworms or whipworms.

Natalie Brooks –
These chews are so easy to give every month. I appreciate having a simple routine, and my dog takes them without any fuss. Very happy with this purchase
Kevin Richardson –
Fast shipping and excellent packaging! My order arrived a day earlier than expected, and everything was securely sealed. The entire ordering process was smooth from checkout to delivery.
Allison Turner –
I contacted customer service before placing my order to confirm the correct Brown Box for my dog’s weight. They responded quickly and were very helpful. Great communication and a hassle-free shopping experience.
Robert Hayes –
The product was exactly what I ordered, but the package took a few extra days to arrive because of the carrier. It was well packaged, and customer support kept me updated, so I still plan to order again.