Dark urine: what can it be?

Expert answer:

Dark urine may be a sign of dehydration, hepatitis, urinary tract infection or cause the use of medicines antibiotics.

The lack of water intake leaves the urine less diluted and more concentrated, with a strong yellow Or until Brown. In these cases, in addition to being dark, urine also has a stronger smell.

In hepatitis A, B, C and autoimmune, urine becomes dark and the eyes and the skin yellowish (jaundice). Other signs and symptoms include headache, body aches, tiredness, weakness, loss of appetite, fever and light stools.

Urinary tract infection can affect the bladder (cystitis), urethra (urethritis), and kidneys (pyelonephritis), leaving the urine dark and odor unpleasant. Symptoms may vary depending on the person and the site of the infection. In general, urinary tract infections cause pain or burning when urinating, urge to urinate often, but in small amount, fever, nausea, vomiting and yellowing of the skin.

Antibiotics can alter the color of urine and leave it reddish or rose, especially rifampicin.

Learn more at: What Causes Red Urine?

These are the most common causes, but there are still several diseases or conditions that can leave the urine dark, such as:

  • Consumption of red foods such as beets or mulberries;
  • Dilated prostate;
  • Renal cancer;
  • Tumor or calculi in the gallbladder;
  • Hemolytic anemia.

If after the increased urine water intake continues to be dark, seek a general practitioner or family doctor for research.

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