Thank you for the responses about reactions to IMRAB-3. >From what I am reading, there have been a few reactions, none very >severe, and it doesn't sound like there has been an unusual number, >just the random here and there. I will let my vet know about the >responses I have received. As I said in my original post, my vet did notify the manufacturer and he said he is taking it to the member vets on VIN. Also, as previously mentioned, my vet discontinued using that particular batch. Katharine Florida [Posted in FML 6358]