Does slow kill heartworm treatment work? Slow kill requires up to a year—and sometimes much longer—to achieve results, during which time there is progression of pathology and resultant damage. Slow kill is less effective in eliminating adult worms than melarsomine, and the timing of worm death is unpredictable.
How long does it take to kill heartworms with slow kill method? The “slow-kill” method can take as long as three years to rid the dog of all heartworms, so with this approach, the parasites continue to cause damage to the heart and lungs.
What is the safest heartworm treatment for dogs? Melarsomine. Melarsomine is the only FDA-approved adulticide therapy for heartworm disease. The AHS-recommended protocol, which is considered safer and more effective than alternative protocols, consists of an initial injection followed one month later by two injections spaced 24 hours apart.
Can doxycycline kill heartworms in dogs? In addition to other therapies, doxycycline has been considered the treatment of choice for canine heartworm infections by the American Heartworm Society (AHS) (https://www.heartwormsociety.org/).