[dwerten]

Originally Posted by ladyjane

That warning is for dogs that are being treated with large doses of Ivermectin as in treatment for mange.
Here is a link:
FDA issues safety warning on Comfortis-ivermectin interaction - July 15, 2008
As for Comfortis, I have seen enough complaints to tell me I would not mess with it.
I would not cut the dose unless you call the manufacturer for advice about doing that.

i agree and so glad in cali we do not need to use flea protection usually nor heartworm and why i tell dh we cannot move to ohio lollllllll