Infant jaundice is a yellow discoloration in a newborn baby's skin and eyes. Infant jaundice occurs because the baby's blood contains an excess of bilirubin (bil-ih-ROO-bin), a yellow-colored 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 cases, an underlying disease may cause jaundice.
Treatment of infant jaundice often isn't necessary, and most cases that need treatment respond well to noninvasive therapy. Although complications are rare, a high bilirubin level associated with severe infant jaundice or inadequately treated jaundice may cause brain damage.
Source: http://www.mayoclinic.com
Yellowing of the skin and the whites of the eyes is a sign of infant jaundice that usually appears between the second and fourth day after birth.
To check for infant jaundice, press gently on your baby's forehead or nose. If the skin looks yellow where you pressed, it's likely your baby has mild jaundice. If your baby doesn't have jaundice, the skin color should simply look slightly lighter than its normal color for a moment.
Examine your baby in good lighting conditions, preferably in natural daylight.
Most hospitals have a policy of examining babies for jaundice before discharge. The American Academy of Pediatrics recommends that newborns be examined for jaundice during routine medical checks and at least every eight to 12 hours while in the hospital.
Your baby should be examined for jaundice between the third and seventh day after birth, when bilirubin levels usually peak. If your baby is discharged earlier than 72 hours following birth, make a follow-up appointment to look for jaundice within two days of discharge.
The following signs or symptoms may indicate severe jaundice or complications from excess bilirubin. Call your doctor if:
Source: http://www.mayoclinic.com
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.
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.
An underlying disorder may cause jaundice. In these cases, jaundice often appears much earlier or much later than physiologic jaundice. Diseases or conditions that can cause jaundice include:
Source: http://www.mayoclinic.com
Your doctor will likely diagnose infant jaundice on the basis of your baby's appearance. However, your doctor will need to measure the level of bilirubin in your baby's blood. The level of bilirubin (severity of jaundice) will determine the course of treatment.
Tests to determine jaundice include:
Your doctor may order additional blood tests or urine tests if there's evidence that your baby's jaundice is caused by an underlying disorder.
Source: http://www.mayoclinic.com
High levels of bilirubin that cause severe jaundice can result in serious complications if not treated.
Bilirubin is toxic to cells of the brain. If a baby has severe jaundice, there's a risk of bilirubin passing into the brain, a condition called acute bilirubin encephalopathy. Prompt treatment may prevent significant lasting damage.
The following may indicate acute bilirubin encephalopathy in a baby with jaundice:
Kernicterus is the syndrome that occurs if acute bilirubin encephalopathy causes permanent damage to the brain. Kernicterus may result in:
Source: http://www.mayoclinic.com
The best prevention of infant jaundice is adequate feeding. Breast-fed infants should have eight to 12 feedings a day for the first several days of life. Formula-fed infants usually should have 1 to 2 ounces (about 30 to 60 milliliters) of formula every two to three hours for the first week.
Source: http://www.mayoclinic.com
When infant jaundice isn't severe, your doctor may recommend changes in feeding habits that can lower levels of bilirubin. Talk to your doctor if you have any questions or concerns about how much or how often your baby is feeding or if you're having trouble breast-feeding. The following steps may lessen jaundice:
Source: http://www.mayoclinic.com
Major risk factors for jaundice, particularly severe jaundice that can cause complications, include:
Source: http://www.mayoclinic.com
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