Substances Typically Ingested

Clay or soil
Paint chips
Leaves
String
Hair
Sand
Pebbles
Animal droppings
Chalk
Burned match heads or cigarette butts
Rust
Library paste
Cornstarch, laundry starch, or baking soda
Light bulbs
Pencil erasers

Information taken from:

http://eatingdisorders.about.com/od/othereatingdisorders/a/pica.htm

I thought it was interesting to see the technical terms of some of the items that are ingested.

* Amylophagia (consumption of starch)

* Coprophagia (consumption of feces)

* Geophagy (consumption of soil, clay, or chalk)

* Hematophagy (ingestion of blood)

* Hyalophagia (consumption of glass)

* Mucophagia (consumption of mucus)

* Odowa (soft stones eaten by pregnant women in Kenya)

* Pagophagia (pathological consumption of ice)

* Self-cannibalism (rare condition where body parts may be consumed; see also Lesch-Nyhan syndrome)

* Trichophagia (consumption of hair or wool)

* Urophagia (consumption of urine)

* Xylophagia (consumption of wood)

Information taken from: http://www.myoutofcontrolteen.com/DSM-IV-eatingdisorders.html