Dogs have a very similar reaction when they're given regular or large servings of milk. (smartdogowners.com)
It's hard to imagine that response from someone who should know better, but several of my friends have had similar reactions from medical professionals. (policygenius.com)
Other illnesses can cause similar reactions to a food allergy, so your veterinarian may conduct further diagnostics or recommend a specific food trial to determine the cause. (trupanion.com)