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Constipation Causes in InfantsAka: Constipation Causes in Newborns, Neonatal Constipation Causes, Failure to Pass Meconium

See Also
1. Constipation Causes in Children
General
1. Constipation has functional cause in >95% of infants
Constipation Causes: Organic
1. Neurologic Causes
  1. Hirschprung's Disease
    1. Consider if no meconium stool by 48 hours old
  2. Spinal Dysraphism (Myelomeningocele, spina bifida)
  3. Encephalopathy
2. Endocrine Causes
3. Miscellaneous causes
  1. Congenital Anorectal malformation
  2. Heavy-metal poisoning
  3. Cystic Fibrosis
Failure to Pass Meconium Causes (first 24-48 hours)
1. Meconium Plug Syndrome (1-2 in 1000)
2. Cystic Fibrosis (1 in 2800)
3. Hirschsprung's Disease (1 in 5000)
4. Anorectal Malformation (1-2 in 8000)
5. Other rare disorders
  1. Hypoganglionosis
  2. Small left colon syndrome
References
1. Loening-Baucke (1999) Am Fam Physician 60:2043

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 5/10/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.