Breast Milk Jaundice [top] Jun 2026

Breast milk jaundice is a , not a disease. It is a sign that your baby is getting plenty of breast milk. With monitoring and support, you can continue to breastfeed confidently while the condition resolves naturally over time.

Therefore, the diagnostic workup for a jaundiced infant beyond two weeks should always include a fractionated bilirubin (direct vs. indirect), a complete blood count, reticulocyte count, and assessment of stool color. If the direct bilirubin is elevated (>2 mg/dL or >20% of total), BMJ is ruled out, and further investigation for cholestasis is mandatory. If unconjugated hyperbilirubinemia is confirmed and all other tests are normal in a thriving breastfed infant, a diagnosis of BMJ can be made clinically. breast milk jaundice

A critical first step is differentiating BMJ from breastfeeding jaundice, as the two terms are often incorrectly conflated. Breastfeeding jaundice occurs in the first week of life, typically days 2-4, due to insufficient milk intake. This leads to dehydration, caloric deprivation, and decreased stooling, which in turn increases the enterohepatic circulation of bilirubin. In contrast, Breast Milk Jaundice typically presents later, peaking around day 7-10, and can persist for several weeks, even up to 12 weeks. The defining feature of BMJ is that the infant is ill or dehydrated; they are gaining weight well, voiding and stooling appropriately, and feeding vigorously. Essentially, BMJ is a prolonged jaundice in a thriving breastfed baby for which no other pathologic cause can be identified. Breast milk jaundice is a , not a disease

The diagnosis of breast milk jaundice is typically made based on a combination of: Therefore, the diagnostic workup for a jaundiced infant