Hi Paul, all of his symptoms are signs of allergies, they can be signs of both seasonal or food allergies. Since he's been on the Beef Frittata for so long, I wouldn't think it would be food related, but it was a good idea to discontinue the salmon oil, as bullies can be sensitive to both chicken and salmon. My female Blossom has chicken and salmon allergies, so we also feed Fromm's Beef and she gets cod liver oil instead of salmon oil, but once it's finished, I'm going to switch both my bullies to coconut oil instead of giving one salmon oil, and the other cod liver oil. I've heard lots of great things about coconut oil. I think Dooleys symptoms are probably more due to seasonal allergies, spring is here, and the pollen is really bad. Everyone I know is having itchy watery eyes, runny nose, and sneezing. Keep an eye on him, continue with the Benadryl, and see if it passes after the spring season. I hope he feels better.