How many days does newborn jaundice last?

Patient's question:

A relative just had a baby, and it's been a week. On the third day, the relative noticed that the baby's face was yellow and asked the doctor. The doctor said it was physiological jaundice, which is nothing serious and would fade away in a few days. I want to ask, how many days does newborn jaundice take to fade?

Doctor's answer:

Physiological jaundice is generally mild and typically appears two to three days after a child is born, resolving within 1-3 weeks. Pathological jaundice is more severe; some children may develop it within 24 hours of birth, while others may not show symptoms until 1 week to several weeks later. It may persist for 2-3 weeks without improvement, even worsening. If not treated promptly, it can lead to serious complications or even death. It is recommended to take the child to a large public hospital for follow-up examination to test the jaundice index and provide treatment if necessary.

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