What to do about breast milk jaundice
Generally, breast milk jaundice may be related to factors such as increased bilirubin production, high levels of β-glucuronidase in breast milk, biliary atresia, neonatal hepatitis syndrome, and neonatal hemolytic disease. Treatment or relief can be achieved through general management, medication, or surgical interventions depending on the situation. It is recommended to seek timely medical consultation to identify the underlying cause and receive appropriate symptomatic treatment under a doctor's guidance. Detailed explanations are as follows:

1. Increased bilirubin production
After birth, newborns produce increased amounts of bilirubin to adapt to their new environment. This is a common physiological phenomenon in newborns and may be accompanied by jaundice and mild loss of appetite. Special treatment is usually not required, although bilirubin levels should be closely monitored.
2. High levels of β-glucuronidase in breast milk
Breast milk contains β-glucuronidase, which can hydrolyze unconjugated bilirubin in the small intestine to form free bilirubin, thereby causing jaundice. Bilirubin levels can be monitored by discontinuing breastfeeding for 3–5 days.
3. Biliary atresia
Abnormal development of the bile ducts obstructs the normal excretion of bile, leading to bilirubin accumulation and jaundice, which may be accompanied by lighter-colored stools. Patients can undergo Kasai surgery under a doctor's guidance.
4. Neonatal hepatitis syndrome
This may be related to viral infection, genetic factors, or other causes leading to liver cell damage and impaired bilirubin metabolism, resulting in bilirubin accumulation in the blood and jaundice, which may be accompanied by hepatosplenomegaly (enlarged liver and spleen). Patients can take medications such as Acyclovir tablets, Ganciclovir capsules, and diammonium glycyrrhizinate injection under medical advice.
5. Neonatal hemolytic disease
This condition occurs due to structural or functional abnormalities of red blood cells during the fetal or neonatal period, causing excessive red blood cell destruction and elevated bilirubin levels, resulting in jaundice, which may be accompanied by anemia. Patients can take medications such as Cyclophosphamide injection, Azathioprine tablets, and recombinant human interferon α2b injection under medical guidance.
In addition, exposing the newborn to gentle sunlight, allowing the skin to be illuminated, can help accelerate bilirubin metabolism and excretion. However, care should be taken to control the duration and intensity of light exposure to avoid skin damage caused by excessive exposure.