Dark Yellow Urine
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Reviewed By:

Yoshinori Abe, MD

Yoshinori Abe, MD (Internal medicine)

Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.

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  • The dark yellow pee continues

  • Having concentrated urine

  • Urine is dark and yellow

  • Having concentrated pee

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Content updated on Jan 4, 2023

About the symptom

Urine color generally ranges from pale-yellow to neon to deep amber. It could be a sign of excess B-vitamins in the body, including B-2 and B-12

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Very yellow urine

Possible causes

  • Hepatic cancer

    Also known as liver cancer. The most common type is hepatocellular carcinoma. Causes include chronic viral infections, like Hepatitis B and C, excessive alcohol consumption, or fatty liver disease that have caused chronic inflammation and/or cirrhosis.

  • Congenital biliary atresia

    A condition in which a baby is born with abnormally narrow or even absent bile ducts in the liver. It can cause rapid liver failure, so prompt medical attention is needed. The exact cause is unclear, but genetics and exposure to certain toxins may play a role.

  • Acute porphyria

Related serious diseases

  • Heatstroke

    This is a life-threatening emergency where the person's body temperature is dangerously high and they display neurological abnormalities. This occurs when the body fails to regulate its temperature properly. It can be caused by the surrounding environment (heat, moisture) or internal factors (dehydration, strenuous exercise).

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Is your urine dark yellow in color?

Other Related Symptoms

Similar symptoms or complaints

  • Sunken eyes

Reviewed By:

Yoshinori Abe, MD

Yoshinori Abe, MD (Internal medicine)

Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.

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