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The only way to reliably protect your dog from heartworm disease is to give preventative each and every month.
A single heartworm preventative dose once a month will kill any microfilaria deposited in the bloodstream by mosquitoes before they can invade the heart and mature. The form of heartworm preventative is either a small, easy-to-swallow pill, a tasty chew, or (if a combo product with flea preventative) a topical liquid to apply between the dog's shoulder blades. The monthly cost of heartworm preventative, depending on brand, size of dog, quantity purchased, and purchase source, is typically $1.50 - $20.00. The most common brands of heartworm preventative are:
    - Interceptor (milbemycin)
    - Heartgard (ivermectin)
    - Revolution (selamectin) (heartworm/flea preventative combo)
    - Sentinel (milbemycin) (heartworm/flea preventative combo)


Overview of Heartworm Disease
How Heartworm Infection is Diagnosed
How Heartworm Infection is Treated
For More Information about heartworms, go to the American Heartworm Society website or to The Pet Center.

Return to New Rattitude's Heartworm Library


Return to New Rattitude's Canine Clinic