Hi, I have been using Stronghold on my lot for over 2 years now - no problems and no complaints. It is effective for fleas, lice, worms, ear mites and mange (and probably other things I have forgotten). We have had absolutely no "itchies" in the time since using it. bye Gwen
I've been using Stronghold since my vet recommended it after a fox move into the next door neighbours garden the neighbours own dog and the other neighbours got mange I think from the fox. I have no complaints and pup is 10 months old now.