They aren't exactly toxic. The wafers don't contain enough chocolate to cause harm. But make no mistake about it, Oreo cookies are a poor feeding choice. Think twice before giving your dog Oreos. read more
The Oreo's aren't likely to cause any harm to your dog, except vomiting or the runs, but anything more is unlikely. Now if your dog starts acting oddly, then you need to get to the vet, seizures, convulsing, tremors, or other strange body signs are ques that the chocolate is having a adverse affect. read more
Yes, it is listed under the ingredients but that is not the reason why feeding Oreos to your pet is not recommended. The chocolate in those cookies are minimal and most of it is just artificial flavoring. read more