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Newborn jaundice

Show Alternative Names
Jaundice of the newborn
Neonatal hyperbilirubinemia
Bili lights - jaundice
Infant - yellow skin
Newborn - yellow skin

Newborn jaundice occurs when a baby has a high level of bilirubin in the blood. Bilirubin is a yellow substance that the body creates when it replaces old red blood cells. The liver helps break down the substance so it can be removed from the body in the stool.

A high level of bilirubin makes a baby's skin and whites of the eyes look yellow. This is called jaundice.

Newborn jaundice - Animation

Are your newborn baby’s skin or eyes yellow? Is she extremely tired and doesn’t want to eat? Your baby may have jaundice. Newborn jaundice happens when your baby has high levels of bilirubin in her blood. This yellow pigment is created in the body during the normal recycling of old red blood cells.The liver helps break bilirubin down so it can be removed from the body in the stool. Before a baby is born, the placenta removes the bilirubin from your baby so it can be processed by your liver. Right after birth, the baby’s own liver takes over the job, but it can take time. Most babies have some jaundice. It usually appears between the second and third day after birth.Often babies get a screening test in the first 24 hours of life to predict if they are likely to develop jaundice. Your baby’s doctor will also watch for signs of jaundice at the hospital, and during follow-up visits after your baby goes home. If your baby seems to have significant jaundice, the doctor will test the bilirubin levels in her blood.So, how do you treat newborn jaundice? Jaundice usually goes away on its own, so treatment is usually not necessary. If your baby’s bilirubin level is too high or rising too quickly, however, she may need treatment.You’ll need to keep the baby well hydrated with breast milk or formula. Feeding up to 12 times a day will encourage frequent bowel movements, which help to remove the bilirubin.If your baby needs treatment in the hospital, she may be placed under special blue lights that help break down bilirubin in the baby’s skin. This treatment is called phototherapy. If your baby’s bilirubin level isn’t rising too quickly, you can also do phototherapy at home with a fiber optic blanket that contains tiny bright lights. For most babies, it takes about a week or two for jaundice to go away.

Causes

It is normal for a baby's bilirubin level to be a bit high after birth.

When the baby is growing in the mother's womb, the placenta removes bilirubin from the baby's body. The placenta is the organ that grows during pregnancy to feed the baby. After birth, the baby's liver starts doing this job. It may take some time for the baby's liver to be able to do this efficiently.

Most newborns have some yellowing of the skin, or jaundice. This is called physiological jaundice. It is usually noticeable when the baby is 2 to 4 days old. Most of the time, it does not cause problems and goes away within 2 weeks.

Two types of jaundice may occur in newborns who are breastfed. Both types are usually harmless.

  • Breastfeeding jaundice is seen in breastfed babies during the first week of life. It is more likely to occur when babies do not nurse well or the mother's milk is slow to come, leading to dehydration.
  • Breast milk jaundice may appear in some healthy, breastfed babies after day 7 of life. It is likely to peak during weeks 2 and 3, but may last at low levels for a month or more. The problem may be due to how substances in the breast milk affect the breakdown of bilirubin in the liver. Breast milk jaundice is different from breastfeeding jaundice.

Severe newborn jaundice may occur if the baby has a condition that increases the number of red blood cells that need to be replaced in the body, such as:

  • Abnormal blood cell shapes (such as sickle cell anemia)
  • Blood type mismatch between the mother and baby (Rh incompatibility or ABO incompatibility)
  • Bleeding underneath the scalp (cephalohematoma) caused by a difficult delivery
  • Higher levels of red blood cells, which is more common in small-for-gestational age (SGA) babies and some twins
  • Infection
  • Lack of certain important proteins, called enzymes

Things that make it harder for the baby's body to remove bilirubin may also lead to more severe jaundice, including:

  • Certain medicines
  • Infections present at birth, such as rubella, syphilis, and others
  • Diseases that affect the liver or biliary tract, such as cystic fibrosis or hepatitis
  • Low blood oxygen level (hypoxia)
  • Infections (sepsis)
  • Many different genetic or inherited disorders

Babies who are born too early (premature) are more likely to develop jaundice than full-term babies.

Symptoms

Jaundice causes a yellow color of the skin. It usually begins on the face and then moves down to the chest, belly area, legs, and soles of the feet.

Sometimes, infants with severe jaundice may be very tired and feed poorly.

Exams and Tests

Health care providers will watch for signs of jaundice at the hospital. After the newborn goes home, family members will usually spot the jaundice.

Any infant who appears jaundiced should have bilirubin levels measured right away. This can be done with a blood test.

Many hospitals check total bilirubin levels on all babies at about 24 hours of age. Hospitals use probes that can estimate the bilirubin level just by touching the skin. High readings need to be confirmed with blood tests.

Tests that will likely be done include:

Further testing may be needed for babies who need treatment or whose total bilirubin level is rising more quickly than expected.

Treatment

Treatment is not needed most of the time.

When treatment is needed, the type will depend on:

  • The baby's bilirubin level
  • How fast the level has been rising
  • Whether the baby was born early (babies born early are more likely to be treated at lower bilirubin levels)
  • How old the baby is

A baby will need treatment if the bilirubin level is too high or is rising too quickly.

A baby with jaundice needs to take in plenty of fluids with breast milk or formula:

  • Feed the baby often (up to 12 times a day) to encourage frequent bowel movements. These help remove bilirubin through the stools. Ask your provider before giving your newborn extra formula.
  • In rare cases, a baby may receive extra fluids by IV.

Some newborns need to be treated before they leave the hospital. Others may need to go back to the hospital when they are a few days old. Treatment in the hospital usually lasts 1 to 2 days.

Sometimes, special blue lights are used on infants whose levels are very high. These lights work by helping to break down bilirubin in the skin. This is called phototherapy.

  • The infant is placed under these lights in a warm, enclosed bed to maintain a constant temperature.
  • The baby will wear only a diaper and special eye shades to protect the eyes.
  • Breastfeeding should be continued during phototherapy, if possible.
  • In rare cases, the baby may need an intravenous (IV) line to deliver fluids.

If the bilirubin level is not too high or is not rising quickly, you can do phototherapy at home with a fiberoptic blanket, which has tiny bright lights in it. You may also use a bed that shines light up from the mattress.

  • You must keep the light therapy on your child's skin and feed your child every 2 to 3 hours (10 to 12 times a day).
  • A nurse will come to your home to teach you how to use the blanket or bed, and to check on your child.
  • The nurse will return daily to check your child's weight, feedings, skin, and bilirubin level.
  • You will be asked to count the number of wet and dirty diapers.

In the most severe cases of jaundice, an exchange transfusion is required. In this procedure, the baby's blood is replaced with fresh blood. Giving intravenous immunoglobulin to babies who have severe jaundice may also be effective in reducing bilirubin levels.

Outlook (Prognosis)

Newborn jaundice is not harmful most of the time. For most babies, jaundice will get better without treatment within 1 to 2 weeks.

A very high level of bilirubin can damage the brain. This is called kernicterus. The condition is almost always diagnosed before the level becomes high enough to cause this damage. Treatment is usually effective.

Possible Complications

Rare, but serious complications from high bilirubin levels include:

  • Cerebral palsy
  • Deafness
  • Kernicterus, which is brain damage from very high bilirubin levels

When to Contact a Medical Professional

All babies should be seen by a provider in the first 5 days of life to check for jaundice:

  • Infants who spend less than 24 hours in a hospital should be seen by age 72 hours.
  • Infants who are sent home between 24 and 48 hours should be seen again by age 96 hours.
  • Infants who are sent home between 48 and 72 hours should be seen again by age 120 hours.

Jaundice is an emergency if the baby has a fever, has become listless, or is not feeding well. Jaundice may be dangerous in high-risk newborns.

Jaundice is generally not dangerous in babies who were born full term and who do not have other medical problems. Contact the infant's provider if:

  • Jaundice is severe (the skin is bright yellow)
  • Jaundice continues to increase after the newborn visit, lasts longer than 2 weeks, or other symptoms develop
  • The feet, especially the soles, are yellow

Talk with your baby's provider if you have questions.

Prevention

In newborns, some degree of jaundice is normal and probably not preventable. The risk for serious jaundice can often be reduced by feeding babies at least 8 to 12 times a day for the first several days and by carefully identifying infants at highest risk.

All pregnant women should be tested for blood type and unusual antibodies. If the mother is Rh negative, follow-up testing on the infant's umbilical cord is recommended. This may also be done if the mother's blood type is O positive.

Careful monitoring of all babies during the first 5 days of life can prevent most complications of jaundice. This includes:

  • Considering a baby's risk for jaundice
  • Checking bilirubin level in the first day or so
  • Scheduling at least one follow-up visit the first week of life for babies sent home from the hospital in 72 hours
Review Date: 1/24/2023

Reviewed By

Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Internal review and update on 02/03/2024 by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

References

Kaplan M, Wong RJ, Burgis JC, Sibley E, Stevenson DK. Neonatal jaundice and liver diseases. In: Martin RJ, Fanaroff AA, Walsh MC, eds. Fanaroff and Martin's Neonatal-Perinatal Medicine: Diseases of the Fetus and Infant. 11th ed. Philadelphia, PA: Elsevier; 2020:chap 91.

Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM. Digestive system disorders. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 123.

Rozance PJ, Wright CJ. The neonate. In: Landon MB, Galan HL, Jauniaux ERM, et al, eds. Gabbe's Obstetrics: Normal and Problem Pregnancies. 8th ed. Philadelphia, PA: Elsevier; 2021:chap 23.

Disclaimer

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. No warranty of any kind, either expressed or implied, is made as to the accuracy, reliability, timeliness, or correctness of any translations made by a third-party service of the information provided herein into any other language. © 1997- A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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Newborn jaundice - Animation

Are your newborn baby's skin or eyes yellow? Is she extremely tired and doesn't want to eat? Your baby may have jaundice.

Newborn jaundice happens when your baby has high levels of bilirubin in her blood. This yellow pigment is created in the body during the normal recycling of old red blood cells. The liver helps break bilirubin down so it can be removed from the body in the stool. Before a baby is born, the placenta removes the bilirubin from your baby so it can be processed by your liver. Right after birth, the baby's own liver takes over the job, but it can take time. Most babies have some jaundice. It usually appears between the second and third day after birth.

Often babies get a screening test in the first 24 hours of life to predict if they are likely to develop jaundice. Your baby's doctor will also watch for signs of jaundice at the hospital, and during follow-up visits after your baby goes home. If your baby seems to have jaundice, the doctor will test the bilirubin levels in her blood.

So, how do you treat newborn jaundice?

Jaundice usually goes away on its own, so treatment is usually not necessary. If your baby's bilirubin level is too high or rising too quickly, however, she may need treatment.

You'll need to keep the baby well hydrated with breast milk or formula. Feeding up to 12 times a day will encourage frequent bowel movements, which help to remove the bilirubin. If your baby needs treatment in the hospital, she may be placed under special blue lights that help break down bilirubin in the baby's skin. This treatment is called phototherapy. If your baby's bilirubin level isn't rising too quickly, you can also do phototherapy at home with a fiberoptic blanket that contains tiny bright lights.

For most babies, it takes about a week or two for jaundice to go away.

 

Newborn jaundice - Animation

Are your newborn baby's skin or eyes yellow? Is she extremely tired and doesn't want to eat? Your baby may have jaundice.

Newborn jaundice happens when your baby has high levels of bilirubin in her blood. This yellow pigment is created in the body during the normal recycling of old red blood cells. The liver helps break bilirubin down so it can be removed from the body in the stool. Before a baby is born, the placenta removes the bilirubin from your baby so it can be processed by your liver. Right after birth, the baby's own liver takes over the job, but it can take time. Most babies have some jaundice. It usually appears between the second and third day after birth.

Often babies get a screening test in the first 24 hours of life to predict if they are likely to develop jaundice. Your baby's doctor will also watch for signs of jaundice at the hospital, and during follow-up visits after your baby goes home. If your baby seems to have jaundice, the doctor will test the bilirubin levels in her blood.

So, how do you treat newborn jaundice?

Jaundice usually goes away on its own, so treatment is usually not necessary. If your baby's bilirubin level is too high or rising too quickly, however, she may need treatment.

You'll need to keep the baby well hydrated with breast milk or formula. Feeding up to 12 times a day will encourage frequent bowel movements, which help to remove the bilirubin. If your baby needs treatment in the hospital, she may be placed under special blue lights that help break down bilirubin in the baby's skin. This treatment is called phototherapy. If your baby's bilirubin level isn't rising too quickly, you can also do phototherapy at home with a fiberoptic blanket that contains tiny bright lights.

For most babies, it takes about a week or two for jaundice to go away.

 
 
 
 

 

 
 

 
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