Jaundice is the yellow color seen in the skin of many newborns. Jaundice happens when a chemical called bilirubin builds up in the baby’s blood. During pregnancy, the mother’s liver removes bilirubin for the baby, but after birth the baby’s liver must remove the bilirubin. In some babies, the liver might not be developed enough to efficiently get rid of bilirubin. When too much bilirubin builds up in a new baby’s body, the skin and whites of the eyes might look yellow. This yellow coloring is called jaundice.
When severe jaundice goes untreated for too long, it can cause a condition called kernicterus.
Kernicterus is a type of brain damage that can result from high levels of bilirubin in a baby’s blood. It can cause athetoid cerebral palsy and hearing loss. Kernicterus also causes problems with vision and teeth and sometimes can cause intellectual disabilities. Early detection and management of jaundice can prevent kernicterus.
Signs and Symptoms
Jaundice usually appears first on the face and then moves to the chest, belly, arms, and legs as bilirubin levels get higher. The whites of the eyes can also look yellow. Jaundice can be harder to see in babies with darker skin color. The baby’s doctor or nurse can test how much bilirubin is in the baby’s blood.
See your baby’s doctor the same day if your baby:
- Is very yellow or orange (skin color changes start from the head and spread to the toes).
- Is hard to wake up or will not sleep at all.
- Is not breastfeeding or sucking from a bottle well.
- Is very fussy.
- Does not have enough wet or dirty diapers.
Get emergency medical help if your baby:
- Is crying inconsolably or with a high pitch.
- Is arched like a bow (the head or neck and heels are bent backward and the body forward).
- Has a stiff, limp, or floppy body.
- Has strange eye movements.
Before leaving the hospital with your newborn, you can ask the doctor or nurse about a jaundice bilirubin test.
A doctor or nurse may check the baby’s bilirubin using a light meter that is placed on the baby’s head. This results in a transcutaneous bilirubin (TcB) level. If it is high, a blood test will likely be ordered.
The best way to accurately measure bilirubin is with a small blood sample from the baby’s heel. This results in a total serum bilirubin (TSB) level. If the level is high, based upon the baby’s age in hours and other risk factors, treatment will likely follow. Repeat blood samples will also likely be taken to ensure that the TSB decreases with the prescribed treatment.
Bilirubin levels are usually the highest when the baby is 3 to 5 days old. At a minimum, babies should be checked for jaundice every 8 to 12 hours in the first 48 hours of life and again before 5 days of age.
No baby should develop brain damage from untreated jaundice.
When being treated for high bilirubin levels, the baby will be undressed and put under special lights. The lights will not hurt the baby. This can be done in the hospital or even at home. The baby’s milk intake may also need to be increased. In some cases, if the baby has very high bilirubin levels, the doctor will do a blood exchange transfusion. Jaundice is generally treated before brain damage is a concern.
Putting the baby in sunlight is not recommended as a safe way of treating jaundice.
About 60% of all babies have jaundice. Some babies are more likely to have severe jaundice and higher bilirubin levels than others. Babies with any of the following risk factors need close monitoring and early jaundice management:
Babies born before 37 weeks, or 8.5 months, of pregnancy might have jaundice because their liver is not fully developed. The young liver might not be able to get rid of so much bilirubin.
Babies with Darker Skin Color
Jaundice may be missed or not recognized in a baby with darker skin color. Checking the gums and inner lips may detect jaundice. If there is any doubt, a bilirubin test should be done.
A baby who is not eating, wetting, or stooling well in the first few days of life is more likely to get jaundice.
Sibling with Jaundice
A baby with a sister or brother that had jaundice is more likely to develop jaundice.
A baby with bruises at birth is more likely to get jaundice. A bruise forms when blood leaks out of a blood vessel and causes the skin to look black and blue. The healing of large bruises can cause high levels of bilirubin and your baby might get jaundice.
Women with an O blood type or Rh negative blood factor might have babies with higher bilirubin levels. A mother with Rh incompatibility should be given Rhogam.
Don’t Wait, Act Early!
- When severe jaundice goes untreated for too long, it can cause brain damage and a condition called kernicterus.
- Early diagnosis and treatment of jaundice can prevent kernicterus.
- If you’re concerned that your baby might have jaundice visit your baby’s doctor right away. Ask for a jaundice bilirubin test.
If You’re Concerned
If you think your baby has jaundice you should call and visit your baby’s doctor right away. Ask your baby’s doctor or nurse about a jaundice bilirubin test.
If your baby does have jaundice, it is important to take jaundice seriously and stick to the follow-up plan for appointments and recommended care.
Make sure your baby is getting enough to eat. The process of removing waste also removes bilirubin in your baby’s blood. If you are breastfeeding, you should nurse the baby at least 8 to 12 times a day for the first few days. This will help you make enough milk for the baby and will help keep the baby’s bilirubin level down. If you are having trouble breastfeeding, ask your doctor, nurse, or a lactation coach for help.
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