Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 8/28/2025

Management of Prolonged Jaundice in Newborns

Initial Evaluation

  • The American Academy of Pediatrics recommends that all newborns with prolonged jaundice beyond 3 weeks should undergo measurement of total and direct/conjugated bilirubin to identify cholestasis, as well as verify the results of the newborn screening test for thyroid and galactosemia 1
  • Initial assessment should include evaluation of the baby's overall condition, including weight and percentage weight change since birth, adequacy of intake, urination pattern, and bowel movements 2
  • A complete physical examination should be performed to identify signs of underlying disease, although the strength of evidence for this recommendation is not specified 4

Laboratory Evaluation

  • Measurement of total and direct/conjugated bilirubin is recommended to identify cholestasis, with a strength of evidence based on expert opinion 1
  • Blood typing and Coombs test should be performed if not previously done, with a moderate strength of evidence 4
  • A complete blood count with peripheral smear should be considered to rule out hemolysis, although the strength of evidence for this recommendation is not specified 4
  • Urinalysis and urine culture should be considered, especially if direct bilirubin is elevated, with a moderate strength of evidence 4

Common Causes of Prolonged Jaundice

  • Congenital hypothyroidism is a cause of prolonged jaundice, with a high strength of evidence 1
  • Galactosemia is a cause of prolonged jaundice, with a high strength of evidence 1
  • Urinary tract infection is a cause of prolonged jaundice, with a moderate strength of evidence 4
  • Sepsis is a cause of prolonged jaundice, although the strength of evidence for this recommendation is not specified 3

Specific Management

  • For non-conjugated (indirect) jaundice, the American Academy of Pediatrics recommends continued frequent breastfeeding (8-12 times/day) if the baby is clinically well and the jaundice is mild to moderate, with a moderate strength of evidence 2
  • For non-conjugated (indirect) jaundice, phototherapy should be considered based on bilirubin levels and risk factors, with a high strength of evidence 5
  • For conjugated (direct) jaundice, a full investigation for causes of cholestasis should be initiated, with a high strength of evidence 1

Follow-up

  • Newborns with prolonged jaundice should be followed up until complete resolution, with a moderate strength of evidence 2
  • Growth, development, and nutritional status should be monitored, although the strength of evidence for this recommendation is not specified 3
  • Bilirubin levels should be re-evaluated as necessary until normalization, with a moderate strength of evidence 2