Heartworm is a condition that can lead to heart and lung diseases and is likely to be fatal if neglected. It is better to prevent its occurrence than try to treat it at a later stage. In case you have been on the lookout for methods to prevent heartworm disease in dogs, we have some news for you. This article lists some of the best heartworm prevention medicines for dogs that you can choose from.

Iverhart Plus
Iverhart Plus is a highly rated medication containing ivermectin and pyrantel. The contents are considered effective against roundworms, heartworms, hookworms, and a lot of other parasitic worms. The chewable tablet has the taste of pork liver, which appeals to canines. The medication is said to be safe for administration once every month without any worrying side effects. Plus, with the taste of juicy pork liver, your dog is likely to chew and swallow it easily rather than you having to force them.

Sentinel Spectrum
This is a heartworm medicine that also helps prevent infections caused by whipworms and roundworms. With lufenuron, praziquantel, and milbemycin oxime, it is definitely one of the best heartworm prevention medicines for dogs. The chewable tablet also fights fleas along with other parasitic worms.

HeartGuard Plus
The primary ingredients of HeartGuard Plus are anthelmintic and ivermectin, but it also contains real beef. The beef-flavored chewables can be administered once every month after your dog is six weeks old. The meaty flavor is appealing to the canines and its high effectiveness makes it one of the best options. The package of the pill does mention that the tablet needs to be chewed before being swallowed.

Simarica Trio
Simparica Trio is a safe and FDA-approved drug. In dogs, it is also one of the best heartworm prevention medicines. The medication is not only effective against heartworm but also provides protection against parasites like roundworm, hookworm, and more. The active ingredients in this medication are moxidectin and pyrantel, both of which work in combination and prevent stomach worms. The chewable tablet is beef-flavored, making feeding it to your dog a cake walk.

Revolution
Unlike Simparica Trio and other medications on the list, Revolution is a topical preventative medicine for dogs against heartworms. The formula is also effective against ticks and fleas, ear mites, and even mange. It can be used in dogs six weeks or older, once every month. It is advised that the medication be used exactly as per dosage in herding breeds to avoid side effects.