Pica is a serious behavioral problem that is characterized by a persistent craving and a compulsive urge to eat items that are not food. It is classified as a feeding and eating disorder of childhood. The disorder affects children, pregnant women, certain cultures and the mentally disabled. Substances that may be ingested include, but are not limited to, chalk, hair, glue, paper, toothpaste, soap, baking soda, cigarette butts, vinyl gloves, light bulbs, needles, string, wire, matches, erasers, fingernails, coal, plastic, feces, pebbles, stones, clay, paint, wool, ashes, dirt, ice and laundry detergent.
RISK FACTORS AND HEALTH RISKS
Risk factors for developing Pica include developmental disabilities, mental retardation, children between ages of 2 and 3, nutritional deficiencies and cultural factors. It has also been associated with Sickle Cell disease. Pica is more common in tropical countries because of cultural practices and diets. It is actually a culturally sanctioned practice in some societies. It is also more common in deprived and neglected children. Symptoms in children are poor weight gain or weight loss, constipation, excessive crying, irritability and apathy.
There are many health risks associated with Pica including poisoning that results in death, abdominal problems, teeth damage and parasitic infections. Pica can also result in lead poisoning and Anemia.
SUBGROUPS OF PICA
There are several subgroups of Pica that define what is ingested: Acuphagia (sharp objects), Amylophagia (starches), Cautopyreiophagia (burnt matches), Geophagia (sand, dirt and clay), Lithophagia (stones), Pagophagia (ice), Trichophagia (hair), Xylophagia (wood), Urophagia (urine), Hyalophagia (glass), Hematophagy (blood), Plumbophagia (lead), Mucophagy(mucous), Emetophagia (dust) and Bibliophagia (pages of a book).
DIAGNOSIS AND TREATMENT
A person must ingest non-food for at least a month before a diagnosis of Pica can be made. There is no single test that can confirm Pica, but blood tests can be done to see if nutrient levels are abnormal and if Anemia is present. Both of these are associated with Pica. Medications may help reduce abnormal eating and other therapies such as Aversion Therapy may also be used to treat Pica. The symptoms of pregnant women with Pica usually go away after the child is born.
CAUSES
The exact cause of Pica is unknown. Possible causes include vitamin, mineral, iron or other dietary deficiency, underlying physical or mental illness or stress.
PROGNOSIS AND PREVENTION
Prognosis depend on the substances ingested and if treatment works. Severe cases of pica can result in death due to complications such as bowel perforation or infection. There is no way to prevent Pica.
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