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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]
Choluria (or bilirubinuria) is a symptom defining an abnormal darkness of the urine, mainly due to a high level of conjugated bilirubin. [1] [2] Choluria is a common symptom of liver diseases, such as hepatitis and cirrhosis. It can be described as dark or brown urine, often referred to as the color of Coca-Cola.
Bloody urine is termed hematuria, a symptom of a wide variety of medical conditions. Reddish or brown urine may be caused by porphyria (not to be confused with the harmless, [8] temporary pink or reddish tint caused by beeturia). Pinkish urine can result from the consumption of beets [8] Dark yellow urine is often indicative of dehydration.
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.
Hematuria can be classified according to visibility, anatomical origin, and timing of blood during urination. [1] [6]In terms of visibility, hematuria can be visible to the naked eye (termed "gross hematuria") and may appear red or brown (sometimes referred to as tea-colored), or it can be microscopic (i.e. not visible but detected with a microscope or laboratory test).
A diagnosis of rhabdomyolysis may be suspected in anyone who has sustained trauma, crush injury or prolonged immobilization, but it may also be identified at a later stage due to deteriorating kidney function (abnormally raised or increasing creatinine and urea levels, falling urine output) or reddish-brown discoloration of the urine. [4] [11]
Dark brown or tea-colored: Urine that looks dark brown or like tea could be a sign that you’re not drinking enough water. If you’ve been drinking plenty of fluids and your urine is still dark ...
Myoglobinuria is the presence of myoglobin in the urine, which usually results from rhabdomyolysis or muscle injury. [1] Myoglobin is present in muscle cells as a reserve of oxygen . Signs and symptoms