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Originally Posted by Itspuppyluv The reason that it is a bad idea is because the active ingredient is not distributed evenly in the tablet. They might not get the required amount (or any) to prevent heartworms.
I've seen this warning several times online, I'll see if I can find it again. |
My Vet told me the same thing Erin posted. Polly is less than 3lbs and she has takes the whole one for about 9 months and never got sick. I am talking about Hearguard. Maybe ask your Vet and see what he says.