Depending on where you live, you would only need to test once every four months, or once to three times a year. Not only can this eliminate one more toxin from getting into your dog, it will probably be cheaper than giving heartworm meds.
But that does NOT mean monthly heartworm prevention with drugs.. Heartworm prevention drugs don't actually prevent heartworm. They kill heartworm larvae that may already be in your dog's body. So, if your dog hasn't been infected, you're giving him harmful drugs for something he doesn't even have.
What they do is prevent a major infestation. In fact, if a dog has a mild heartworm infestation, a veterinarian might recommend treating it with a heartworm .
This is because heartworms take 6 months to reach the adult stage in the blood vessels near the heart. If the dog is older, it could already have adult hear.
Heartworm is transmitted via mosquito bites, so your dog should receive preventive medication. recommends giving dogs heartworm preventive medication year-round.. In addition to reporting for a major newspaper chain, she has been .