My 4 yr old healthy dog was given a nasal vaccine for bordetella. Four weeks later she developed a large nasal fibrisarcoma and now we have to put her to sleep. Has anyone else experienced this tradegy? ## Hello, Eileen! I'm so sorry, that is so sad. I have to admit, however, that I really know nothing about this, this site and my own information all deal with the use of medications in humans. There have been occasional posts about animal drugs, but I haven't seen anything else on this. What did your veterinarian say about it? Does anyone else know more about this? ## Hi, So sorry to read about your doggie! Our labradoodle (one year old) was administered a bordatella nasal mist booster vaccine and, within 24 hours, had an allergic reaction resulting in a stroke. Within a year, s...