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Revision as of 22:24, 9 December 2011

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Pica

Overview

What are the symptoms?

What are the causes?

When to seek urgent medical care?

Diagnosis

Treatment options

Where to find medical care for Pica?

What to expect (Outlook/Prognosis)?

Possible complications

Prevention

Pica On the Web

Ongoing Trials at Clinical Trials.gov

Images of Pica

Videos on Pica

FDA on Pica

CDC on Pica

Pica in the news

Blogs on Pica

Directions to Hospitals Treating Pica

Risk calculators and risk factors for Pica

Editor-in-Chief: C. Michael Gibson, M.S.,M.D. [1] Phone:617-632-7753; Associate Editor-In-Chief: Lakshmi Gopalakrishnan, M.B.B.S.

Overview

Pica is a pattern of eating non-food materials (such as dirt or paper).

What are the symptoms of Pica?

  • Children and adults with pica may eat:
  • Animal feces
  • Clay
  • Dirt
  • Hairballs
  • Ice
  • Paint
  • Sand
  • This pattern of eating should last at least 1 month to fit the diagnosis of pica.

What causes Pica?

  • Pica is seen more in young children than adults. Between 10 and 32% of children ages 1 - 6 have these behaviors.
  • Pica can occur during pregnancy.
  • In some cases, conditions due to a lack of certain nutrients, such as iron deficiency anemia and zinc deficiency, may trigger the unusual cravings.
  • Pica may also occur in adults who crave a certain texture in their mouth.

When to seek urgent medical care?

Call your health care provider if you notice that a child (or adult) often eats non-food materials.

Diagnosis

  • There is no single test that confirms pica. However, because pica can occur in people who have lower than normal nutrient levels and poor nutrition (malnutrition), the health care provider should test blood levels of iron and zinc.
  • Blood tests can also be done to test for anemia.
  • Lead levels should always be checked in children who may have eaten paint or objects covered in lead-paint dust to screen for lead poisoning.
  • The health care provider should test for infection if the person has been eating contaminated soil or animal waste.

Treatment options

  • Treatment should first address any missing nutrients or other medical problems, such as lead exposure.
  • Treatment involves behavioral, environmental, and family educational approaches.
  • Other successful treatments include associating the pica behavior with bad consequences or punishment (mild aversion therapy) followed by positive reinforcement for eating the right foods.
  • Medications may help reduce the abnormal eating behavior, if pica occurs as part of a developmental disorder such as mental retardation.

Where to find medical care for Pica?

Directions to Hospitals Treating Pica

What to expect (Outlook/Prognosis)?

  • Treatment success varies. In many cases, the disorder lasts several months, then disappears on its own.
  • In some cases, it may continue into the teen years or adulthood, especially when it occurs with developmental disorders.

Possible complications

Prevention

There is no specific prevention. Getting enough nutrition may help.

Source

http://www.nlm.nih.gov/medlineplus/ency/article/001538.htm

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