Gilbert's disease
| Gilbert's syndrome | |
|---|---|
| Synonyms | Meulengracht syndrome, Gilbert-Lereboullet syndrome, hyperbilirubinemia Arias type, hyperbilirubinemia type 1, familial cholemia, familial nonhemolytic jaundice |
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| Bilirubin | |
| Pronunciation | |
| Specialty | Endocrinology |
| Symptoms | None, slight jaundice |
| Complications | Usually none |
| Causes | Genetic |
| Similar conditions | Crigler-Najjar syndrome, Rotor syndrome, Dubin-Johnson syndrome |
| Treatment | None typically needed |
| Frequency | ~5% |
| Classification |
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| External resources |
Gilbert's syndrome (GS) is a mild liver disorder in which the liver does not properly process bilirubin. Many people never have symptoms. Occasionally a slight yellowish color of the skin or whites of the eyes may occur. Other possible symptoms include feeling tired, weakness, and abdominal pain.
Gilbert's syndrome is due to a mutation in the UGT1A1 gene which results in decreased activity of the bilirubin uridine diphosphate glucuronosyltransferase enzyme. It is typically inherited in an autosomal recessive pattern and occasionally in an autosomal dominant pattern depending on the type of mutation. Episodes of jaundice may be triggered by stress such as exercise, menstruation, or not eating. Diagnosis is based on higher levels of unconjugated bilirubin in the blood without either signs of other liver problems or red blood cell breakdown.
Typically no treatment is needed. If jaundice is significant phenobarbital may be used. Gilbert's syndrome affects about 5% of people in the United States. Males are more often diagnosed than females. It is often not noticed until late childhood to early adulthood. The condition was first described in 1901 by Augustin Nicolas Gilbert.
Gilbert's syndrome produces an elevated level of unconjugated bilirubin in the bloodstream, but normally has no serious consequences. Mild jaundice may appear under conditions of exertion, stress, fasting, and infections, but the condition is otherwise usually asymptomatic. Severe cases are seen by yellowing of the skin tone and yellowing of the sclera in the eye.
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