Even if they have been on
heartworm prevention year
round there is always the possibility that the product may have failed for various reasons (your pet spit out the pill, did not absorb the pill appropriately, topical medicine was not applied properly, forgot to administer
medication on time, etc.) and the earlier we can treat you pet for
heartworm disease the better the prognosis.
because there is no approved treatment
medication for HWI in cats, the only way to keep cats
heartworm - free is to administer year -
round prevention.