allergic.
TheGiantVermin, Flickr Your dog is scratching like crazy, or sick to his stomach. Could his food be the culprit? Food allergies aren't extremely common in dogs, but they aren't uncommon either. Food allergies affect dogs in two primary ways, says Korinn Saker, a clinical nutritionist at the North Carolina State School of Veterinary Medicine who specializes in canine allergies. "We either see skin issues, or GI [gastrointestinal] issues," she says. If your dog is experiencing vomiting or diarrhea on a regular basis, or is itching constantly and licking or biting at his skin or fur, allergies may be to blame. (Your vet can help you rule out other ailments, like parasites or infections, that ...