"Although it's present from birth, Gilbert syndrome usually isn't noticed until puberty or later, since bilirubin production increases during puberty," the Mayo Clinic says. It is generally not a ...

Elevated bilirubin concentrations (for age in hours) may occur due to increased bilirubin production (breakdown of heme moiety of hemoglobin) and/or delayed bilirubin elimination (hepatic and ...

Bilirubin is a viscous, brownish-yellow substance that is a natural byproduct of liver processes like breaking down old red blood cells. Normally, it is excreted from the body without cause for ...

Bilirubin production is affected by pathophysiologic conditions, such as stress, fever, bacterial toxins, and starvation. Splenic and hepatic heme oxygenase enzymes are responsible for the ...