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Urine varies in color from pale yellow to deep amber, primarily due to urochrome, a byproduct of the normal breakdown of red blood cells. ... Dark brown or tea-colored: Urine that looks dark brown ...
The signs and symptoms of abnormal urine color are shown as follows: Unexplained urine color other than straw-yellow has continued for a long time. [1] Once observe blood in urine. [1] Clear, dark-brown urine. [1] Risk factors of clinical abnormal urine color include elderly age, strenuous exercise, and family history of related diagnosis. [2]
Normally, urine is a transparent solution ranging from colorless to amber, but is usually a pale yellow. [8] Usually urination color comes primarily from the presence of urobilin . [ 11 ] Urobilin is a final waste product resulting from the breakdown of heme from hemoglobin during the destruction of aging blood cells.
Dark yellow-brown to green urine may suggest a high concentration of bilirubin, a state known as bilirubinuria. [26] [27] Red urine often indicates the presence of red blood cells or hemoglobin, but can also be caused by some medications and the consumption of foods containing red pigments, [26] such as beets.
“If someone has foamy urine and other new or concerning symptoms like blood in the urine, pain when urinating, excessive fatigue, fevers, weight loss, swelling, shortness of breath, or ...
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Urobilin or urochrome is the chemical primarily responsible for the yellow color of urine. It is a linear tetrapyrrole compound that, along with the related colorless compound urobilinogen , are degradation products of the cyclic tetrapyrrole heme .
Porphyria / p ɔːr ˈ f ɪr i ə / is a group of disorders in which substances called porphyrins build up in the body, adversely affecting the skin or nervous system. [1] The types that affect the nervous system are also known as acute porphyria, as symptoms are rapid in onset and short in duration. [1]