That is a lot of good information JulieM. I was always made to feel like I was such an oddball questioning the safety of the preventatives when no one else seemed to. I have often thought that someday mosquitos will be found to have been able to transmit a lot more dangerous diseases because they suck blood! It's a hard decision to make because you don't know if the vet med area has choosen to MAKE heartworm an issue in order to find a medication they say everyone must have just to make more money. It's the same battle those of us go through in deciding whether or not to have a natural childbirth or a medicated delivery. Or to vacinate our children, but if we don't they won't be allowed in to any school or facility. What to do? I totally agree with your advise, I also believe the risk from the preventative is far greater than the risk from actually getting the disease, but that one chance is just so scary. Maybe we have all been made to feel it is scary. I too believe in natural and homeopathic methods as opposed to just opting for the first available dangerous drug. It's a difficult decision because it seems sometimes trying to avoid such side effects as you say like kidney deterioration, then your boxer comes up with a brain tumor or some other unrelated disease. One thing is for sure is that dogs are living longer than any other time in history, and that may be because people care more or it may be all of the advances in vet med. I do know I've seen more homepathic and natural vets pop up in my area and I think that is a good thing. I have been thinking of taking my Bingo to one actually. Anyone else with any thoughts on giving the preventative?
) For that reason, I have chose to use prevention. However, like you, should Kailee start showing any adverse affects to it, I would do as you have done. I just tend to err on the side of caution. We do camp and spend some amount of time in the Long Point area. As well, weekends can be spent in the Muskokas at a cottage, and we actually get driven indoors from dinner time onwards by mosquitoes.