Abnormal urine color, Dark urine: 11 Possible Causes
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What causes abnormal urine color and dark urine? 11 possible conditions

See a list of possible causes in order from the most common to the least.



Hepatitis refers to an inflammatory condition of the liver. It's commonly caused by a viral infection, but there are other possible causes of hepatitis.

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Porphyrias are rare types of genetic blood disorders in which patients have a defect in heme production, an important part of hemoglobin. Blisters are a sign of porphyria cutanea tarda, the most common type of porphyria.

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Glomerulonephritis is a serious illness that can be life-threatening and requires immediate treatment. The condition is sometimes called nephritis.

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Renal Cell Cancer

Renal cell carcinoma is the most common kind of kidney cancer found in adults. Often aggressive, it occurs when cancer cells grow uncontrollably in the lining of the tubules of the kidney, causing many possible symptoms.

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Rhabdomyolysis is a breakdown of muscle fibers that occurs due to muscle injury. Learn more about this condition.

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Idiopathic Autoimmune Hemolytic Anemia

Idiopathic autoimmune hemolytic anemia (IAHA) is a serious form of autoimmune hemolytic anemia. Learn more about this condition.

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Drug-Induced Immune Hemolytic Anemia

Drug-induced immune hemolytic anemia is a rare blood disorder. It occurs when medication you take leads your immune system to attack your red blood cells.

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Hepatitis A

Hepatitis A is inflammation of the liver caused by the hepatitis A virus. This is an acute (short-term) type of hepatitis, which usually requires no treatment.

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Hepatitis C

Hepatitis C is a disease that causes inflammation and infection of the liver. Read more about this disease that affects millions of people worldwide.

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Hepatitis B

Hepatitis B is liver inflammation caused by the hepatitis B virus (HBV).

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Hepatitis D

Hepatitis D is an infection that causes the liver to become inflamed. Learn about hepatitis D symptoms, risk factors, diagnosis, and treatment.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.