# Physiological Neonatal Jaundice

- Category: chronic
- Review status: reviewed (every claim checked against a document named on this page)
- Sources: Neonatal Jaundice - StatPearls (NCBI Bookshelf NBK532930) - https://www.ncbi.nlm.nih.gov/books/NBK532930/, which describes physiologic jaundice as "mild, transient, and self-limiting", recommends "frequent, on-demand feeding", and states that "supplemental oral water and dextrose water are not recommended". The 8-12 feeds per 24 hours figure is the AAP 2022 guideline's, already listed in this condition's sources. · AAP Clinical Practice Guideline: Management of Hyperbilirubinemia in Newborn Infant 2022
- Verified date: 2026-08

## Verified against

- Neonatal Jaundice - StatPearls (NCBI Bookshelf NBK532930) - https://www.ncbi.nlm.nih.gov/books/NBK532930/, which describes physiologic jaundice as "mild, transient, and self-limiting", recommends "frequent, on-demand feeding", and states that "supplemental oral water and dextrose water are not recommended". The 8-12 feeds per 24 hours figure is the AAP 2022 guideline's, already listed in this condition's sources.

## Treatment metadata

- No drug therapy required

## Complete treatment card

```text
PHYSIOLOGICAL NEONATAL JAUNDICE
Sources: Neonatal Jaundice - StatPearls (NCBI Bookshelf NBK532930) -
         https://www.ncbi.nlm.nih.gov/books/NBK532930/, which describes physiologic jaundice as
         "mild, transient, and self-limiting", recommends "frequent, on-demand feeding", and states
         that "supplemental oral water and dextrose water are not recommended". The 8-12 feeds per
         24 hours figure is the AAP 2022 guideline's, already listed in this condition's sources. ·
         AAP Clinical Practice Guideline: Management of Hyperbilirubinemia in Newborn Infant 2022
Review status: REVIEWED against the source listed above  (2026-08)

IS IT THIS? - reference only, to read alongside your own examination
  SYMPTOMS - what the patient reports (9)
    - History: pregnancy problems, family history, the delivery, when symptoms began, how feeding is
      going, maternal serology
    - The colour of stool and urine hints at which type of jaundice  [jaundice]
    - Yellowing showing up within the first 24 hours after birth is a major risk factor
    - A bilirubin already sitting in the high-risk zone before going home is a major risk factor
    - Blood group incompatibility between mother and baby, or a gestation <36 weeks
    - A close relative who needed phototherapy, cephalhaematoma or heavy bruising, exclusive
      breastfeeding, Asian origin  [bruising]
    - Lesser risks: bilirubin in the high-intermediate band, a big baby of a diabetic mother,
      polycythaemia, male sex, mother over 25
    - Look for bilirubin encephalopathy: feeding poorly, lethargy, disturbed sleep, abnormal tone,
      fits  [kernicterus · lethargy · poor feeding · seizures]
    - Up to 15% of babies with kernicterus show nothing at all in the newborn weeks  [kernicterus]
  SIGNS - what you find (4)
    - Examine in daylight, but judging it by eye is unreliable, more so after phototherapy or with
      dark skin
    - Confirm any jaundice that matters with a serum or transcutaneous bilirubin  [jaundice]
    - Pointers to a pathological cause: pallor, petechiae, cephalhaematoma, heavy bruising, big
      liver and spleen, weight loss, dehydration  [bruising · dehydration · pallor · petechiae ·
      weight loss]
    - Yellow skin and whites of the eyes in a newborn is jaundice  [jaundice]
  TESTS (12)
    - Every newborn should be looked at for jaundice every 12 hours until discharge
    - Measure bilirubin between 24 and 48 hours of age, or before discharge if the baby leaves
      sooner
    - Transcutaneous bilirubin screens and spares blood tests, but is less use with dark skin or
      after phototherapy
    - Send a serum bilirubin once the transcutaneous reading passes the 95th percentile on its
      nomogram, or 75% of the phototherapy threshold
    - Transcutaneous testing cannot read the direct fraction, so it cannot diagnose cholestasis
    - For haemolysis: mother and baby blood groups, direct antibody test, blood count,
      reticulocytes, film, G6PD
    - Imaging is usually unnecessary for unconjugated hyperbilirubinaemia
    - With conjugated bilirubin, transaminases show liver cell damage, and a raised ALP or GGT
      points to blocked bile ducts
    - PT, INR and albumin gauge how well the liver is working
    - Liver ultrasound finds sludge in the bile ducts, stones, thickened bile and choledochal cysts
    - A triangular cord sign on ultrasound is close to 100% specific for biliary atresia
    - Further tests: TORCH titres, urine and viral cultures, newborn screening, metabolic disease,
      alpha-1 antitrypsin phenotype, genetics
  IF NOT THIS - what else fits (4)
    - Jaundice appearing needs prompt sorting into a self-limiting physiological one or a disease
      needing treatment
    - Carotene from breast milk or carotene-rich food yellows the skin of older infants and can pass
      for jaundice
    - In carotenaemia the whites of the eyes and the mucosa stay clear, and no newborn is born with
      it
    - Cholestasis in a newborn usually touches several systems, which steers the workup
  Source  StatPearls "Neonatal Jaundice" - disease-level clinical article
  Status  traced to the source above

1. NO DRUG THERAPY REQUIRED                               [1st line]
   Adult    None - supportive care only x 7-10 days
   Peds     Encourage frequent breastfeeding every 2-3 hours (8-12 feeds/24h). Monitor
            transcutaneous or serum bilirubin
   Source   Neonatal Jaundice - StatPearls (NCBI Bookshelf NBK532930) -
            https://www.ncbi.nlm.nih.gov/books/NBK532930/, which describes physiologic jaundice as
            "mild, transient, and self-limiting", recommends "frequent, on-demand feeding", and
            states that "supplemental oral water and dextrose water are not recommended". The 8-12
            feeds per 24 hours figure is the AAP 2022 guideline's, already listed in this
            condition's sources.
   Why      Frequent breastfeeding (8-12 times daily) is the primary intervention for physiological
            neonatal jaundice; no drug therapy required
   Caution  Routine IV fluids not indicated; encourage frequent breastfeeding (8-12 feeds/24h) and
            monitor bilirubin.

Prices are indicative (dataset snapshot 2026-06); verify with the pharmacy.
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