Text Box: Heartworms Text Box: Heartworm Disease is one of the most common causes of death in dogs, particularly in the South. Text Box: Prevent Heartworm Disease in your pet by giving heartworm preventative. It is easy and affordable. Most of all, giving preventative to your pet can save its life. Text Box: We sell preventatives at a very low cost. We make protecting your pet affordable. Text Box: Actual heartworms in the hearts of deceased dogs.