Used Revolution for years, worked great....had one dog that had a localized irritation to it, but after many years and many dogs, that is the only adverse reaction.....My vet stresses you MUST part the hair/fur and get it directly onto the skin...she said too many people are in a rush, dont get the dose directly on the skin, and in some cases, dont even make sure they get it ALL dispensed out of the little vial. But that goes for ALL topicals...correct administering, and the effectiveness is good. NO heart worm preventative is 100%....just like vaccines, they can STILL become infected or sick with a particular disease regardless of being treated...it is just not as likely to happen.
Last edited by Yorkiemom1; 08-13-2012 at 01:14 PM.
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