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Originally Posted by dwerten  there have been alot of reports of side effects in mixing those two drugs as heartguard has ivermectin in it so best to do with interceptor if doing comfortis as interceptor has a different form of drug like ivermecting but not the same - i read alot on 64 dog groups and have read it is not good to mix those two drugs |
Wow thank you for that warning. I have my older one on HeartGuard. And was thinking about switching to comfortis. But MinkSheen has been working wonderfully, so for now I figured why mess with a good thing?!!