After reading someone else's thread about food allergy, let me ask a question. My vet says Meatball is fine with sweet potato and pumpkin. However every time I buy treats with these ingredients his poo is runny, his eyes start tearing, he rolls on his back trying to scratch etc. my vet says its in my head, he's fine. When I stop those treats Meatball is fine within 24 hours. Could it be the pumpkin and sweet potato? Also, he's fine with the current treats I give with blueberry, cranberry, and lamb.