It happens. My mom has a dog that tested postive for hartworms, and been on hartguard her whole life. I know of 4 or 5 others in the last couple of years that came up postive that I know had the meds. Nothing is 100%. Do the treatment, and keep her still for a month. travis
Sound familiar?
A government big enough to give you everything you want, is strong enough to take everything you have. -Thomas Jefferson
From each according to his ability, to each according to his needs.- Karl Marx
