Please, when your ferrets have a reaction, have your vet call the manufacturer to REPORT it, and ask them what their protocal is. My vet got information for what to do next time. Asking for help from those who have seen it, some quite often is good, but don't forget the folks to developed it in the first place! They especially need to know that ferrets "in the field" are reacting, how severely, what batches, etc.! Sue [log in to unmask] [Posted in FML issue 2835]