But, even if does are accidentally skipped, the drug is still beneficial to the pet. If given consistently over a 12-month period, its possible to actually stop worms from developing into adults. Also, monthly heartworm preventatives have activity against intestinal parasites, which inadvertently infect 3 to 6 million people every year. These preventatives protect pets and people.
Education is Key
To learn more about the guidelines, visit the Heartworm Society.