Hi Two Fur Babies,
Yes, all dogs need to be on monthly heartworm prevention. Heartworms are transmitted by mosquitoes. Living in the south, we don't have consistently cold temperatures to kill mosquitoes, so dogs can get heartworms anytime of the year. Also, the other added benefit is that the monthly heartworm prevention is also a monthly intestinal parasite de-wormer/prevention.
Here’s the thing: Heartworms is a preventable disease, and it’s costly and very serious. Multiple vet visits are required, treatment can cause side effects and it can take several months – during which time, the dog should ideally be on cage rest, with dramatically restricted exercise. Treatments can also be quite costly. It only takes one mosquito bite for a dog to become infected. Giving your pups heartworm prevention every month keeps them from being at risk.
It's recommended that dogs have a yearly heartworm and intestinal parasite test, even if they’re on the heartworm prevention. So, check with your veterinarian to determine what type of prevention is best for your dog.
Great question, thanks!
Dr. Katy Drain