Information
Infant jaundice is yellow discoloration of a newborn baby's skin and eyes. Infant jaundice occurs
because the baby's blood contains an excess of bilirubin, a yellow pigment of red blood cells.
Infant jau
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Information
Infant jaundice is yellow discoloration of a newborn baby's skin and eyes. Infant jaundice occurs
because the baby's blood contains an excess of bilirubin, a yellow pigment of red blood cells.
Infant jaundice is a common condition, particularly in babies born before 38 weeks' gestation
(preterm babies) and some breast-fed babies. Infant jaundice usually occurs because a baby's
liver isn't mature enough to get rid of bilirubin in the bloodstream. In some babies, an underlying
disease may cause infant jaundice. Most infants born between 35 weeks' gestation and full term
need no treatment for jaundice. Rarely, an unusually high blood level of bilirubin can place a
newborn at risk of brain damage, particularly in the presence of certain risk factors for severe
jaundice.
Causes
Excess bilirubin (hyperbilirubinemia) is the main cause of jaundice. Bilirubin, which is
responsible for the yellow color of jaundice, is a normal part of the pigment released from the
breakdown of "used" red blood cells. Newborns produce more bilirubin than adults do because
of greater production and faster breakdown of red blood cells in the first few days of life.
Normally, the liver filters bilirubin from the bloodstream and releases it into the intestinal
tract. A newborn's immature liver often can't remove bilirubin quickly enough, causing an
excess of bilirubin. Jaundice due to these normal newborn conditions is called physiologic
jaundice, and it typically appears on the second or third day of life.
Other causes
An underlying disorder may cause infant jaundice. In these cases, jaundice often
appears much earlier or much later than does the more common form of infant jaundice.
Diseases or conditions that can cause jaundice include: Internal bleeding (hemorrhage),
An infection in your baby's blood (sepsis), Other viral or bacterial infections, An
incompatibility between the mother's blood and the baby's blood, A liver malfunction, An
enzyme deficiency, and An abnormality of your baby's red blood cells that causes them
to break down rapidly
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