Another behavior linked with OCD is pica, which is a tendency to eat nonfood items such as rocks, dirt or feces. (dogcare.dailypuppy.com)
If your baby has diarrhea and is vomiting and you think he may have swallowed some kind of nonfood item like a medication, chemical, or plant, call the Poison Control Center right away (800-222-1222). (babycenter.com)
Occasionally we also have nonfood items such as toilet tissue and diapers that are very expensive for a household to buy. (articles.chicagotribune.com)