This thought came to mind yesterday as I was sitting at the vet with my daughter and her 140-pound St. Bernard 'puppy'. I put puppy in quotes because while he is just a puppy at 11 months old, it's so hard to think of any dog that will soon weigh more than I do as a puppy.
Drake - the aforementioned St. Bernard - was having an allergic reaction to something. A plant he ate, a bug that bit him...something...we just weren't sure what he got into or what got him, but that's why we're headed straight to the vet. His eyes, face, lips and gums were swollen, but other than that he seemed fine - resting on the floor and happily stealing the babies toys before we left home. He didn't see anything as an emergency, but my wife certainly noticed the problem and sent us promptly to the vet.