How long does physiological jaundice in newborns last?

Patient's question:

I just had a baby a week ago. On the third day, when I was discharged from the hospital, I noticed that my baby's face was yellow. It was said to be physiological jaundice, which is nothing serious and will subside after a few days. I would like to ask how long it takes for physiological jaundice in babies to go away?

Doctor's answer:

Bao Bao was born with physiological jaundice. It usually appears 2-3 days after birth, peaks between 4-6 days, and begins to subside between 7-10 days. Apart from poor appetite, it has little impact on the infant. If jaundice appears within 24 hours after birth and does not subside or recur within 3 weeks, it will be classified as pathological jaundice. Physiological jaundice is simply caused by the production of bilirubin. Transient jaundice caused by Schilling's sign appears 2-3 days after birth, peaks between 4-6 days, and subsides between 7-10 days, with a longer duration in premature infants. Apart from mild poor appetite, there are no other clinical symptoms.

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