When does neonatal jaundice go away?

Written by Li Jiao Yan

Neonatology

Updated on March 04, 2025

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Neonatal jaundice is a common phenomenon in the newborn period, with 80% of full-term infants visibly exhibiting jaundice. Jaundice is divided into physiological jaundice and pathological jaundice. In full-term infants, physiological jaundice generally lasts about two weeks and ordinarily subsides within that time. For preterm infants, it typically does not last more than four weeks. However, if the jaundice progresses quickly, appears early, and is severe, reaching pathological levels, intervention and treatment are necessary. The duration of jaundice can vary depending on the baby’s condition. Without intervention, the duration of jaundice may be prolonged. Therefore, it is advisable to regularly monitor jaundice and actively intervene with treatment if abnormalities are present.

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Written by Li Jiao Yan

Neonatology

1min 15sec

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Neonatal jaundice blue light therapy

Blue light therapy is one of the most common and effective treatments for neonatal jaundice, mainly targeting jaundice due to elevated indirect bilirubin. The principal mechanism of phototherapy involves transforming bilirubin into isomers, turning it from lipid-soluble to water-soluble, which can then be excreted through bile and urine without liver synthesis. Generally, the need for light therapy indicates a severe level of jaundice, but it is important to ascertain the type of bilirubin elevation before starting treatment. If the elevation involves conjugated bilirubin, light therapy will not be effective. Thus, if light therapy is necessary, it should be confirmed that the liver function issue involves elevated indirect bilirubin, in which case the effects of phototherapy are usually positive. The duration of treatment typically depends on the degree of jaundice and whether there are any complicating pathological factors. The method usually involves intermittent light exposure, generally spanning six to twelve hours. If the jaundice is more severe, continuous phototherapy lasting twenty-four to forty-eight hours might be required to reduce the bilirubin levels.

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Written by Li Jiao Yan

Neonatology

47sec

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Can newborns with jaundice eat probiotics?

Neonatal jaundice can be treated with probiotics. Probiotics primarily help establish a normal gut flora in newborns. Once the gut flora is established, bacteria break down bilirubin into urobilinogen, significantly reducing bilirubin's circulation in the liver, which aids in alleviating jaundice. Clinical studies have shown that formulations such as lactobacillus and bifidobacterium can alter the intestinal environment and reduce jaundice, especially breast milk jaundice, serving as an adjunct treatment. The reduction of jaundice with live bacteria treatment has proven effective, so probiotics can be used for neonatal jaundice.

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Written by Li Jiao Yan

Neonatology

1min 3sec

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Is a bilirubin level of 20 high for a newborn?

If a newborn's skin jaundice reaches a level of twenty, it is a warning sign that the jaundice is significantly elevated. It is advised to promptly go to the hospital for an examination. If the bilirubin levels in the blood are indeed that high, timely intervention and treatment are necessary. Normally, for physiological jaundice, the levels should not exceed fifteen after seventy-two hours in infants. Even during the peak period of four to five days, it should not surpass fifteen. If the jaundice noticeably increases within the first three days and exceeds twenty, the severity of the jaundice might be worse. The younger the newborn, especially with levels above twenty, the higher the risk of bilirubin entering the brain, potentially leading to bilirubin encephalopathy. Therefore, with jaundice reaching twenty, it is still recommended to promptly go to the hospital for intervention and treatment.

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Written by Li Jiao Yan

Neonatology

31sec

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Does neonatal jaundice recede from the forehead first?

Neonatal jaundice is one of the most common phenomena in newborns, with about 80% of full-term infants visibly exhibiting jaundice. Typically, the development of jaundice begins in the facial area and gradually extends to the trunk and limbs. Its reduction follows the reverse pattern, generally receding from the limbs to the trunk and then slowly to the facial area. Usually, if the face no longer appears yellow, the jaundice has essentially subsided.

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Written by Li Jiao Yan

Neonatology

1min 4sec

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Does neonatal jaundice need medication?

Neonatal jaundice is one of the common symptoms in newborns, especially in early newborns. It is a symptom that occurs in the normal development process of newborns, but it may also be a manifestation of certain diseases. Therefore, neonatal jaundice can be a normal phenomenon, but sometimes it may be pathological. Generally, physiological jaundice, which is the normal condition, does not require intervention. Once the jaundice reaches a certain level, it will gradually subside, and the baby generally remains in good condition. At home, it is only necessary to regularly monitor the jaundice without too much worry. If the jaundice appears early and progresses quickly, it may be appropriate to take some medication to reduce the bilirubin. If the jaundice continues to rise, or the baby has other discomforts, it is then necessary to go to the hospital promptly where a neonatologist will conduct relevant examinations and intervene with timely treatment if necessary.