Blood in Urine
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Reviewed By:
Nao Saito, MD (Urology)
After graduating from Tokyo Women's Medical University School of Medicine, Dr. Saito worked at Tokyo Women's Medical University Hospital, Toda Chuo General Hospital, Tokyo Women's Medical University Yachiyo Medical Center, and Ako Chuo Hospital before becoming Deputy Director (current position) at Takasaki Tower Clinic Department of Ophthalmology and Urology in April 2020.
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Red-brown urine came out
Blood is mixed in pee
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Content updated on Jan 4, 2023
About the symptom
Bloody or red urine describes frank blood or visible blood in the urine. Sometimes the blood may appear brownish in urine.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Bloody or red urine
Possible causes
- Chronic pyelonephritis
A type of urinary tract infection, characterized by repeated and chronic bacterial infection of the kidneys.
- Cystitis
A type of urinary tract infection, caused by bacterial infection of the bladder.
- Bladder cancer / Ureteric cancer / Renal pelvis cancer
Cancer of the walls of the urinary system. Risk factors include smoking, age and exposure to certain chemicals.
- Polymyositis / dermatomyositis
Related serious diseases
- Uremia / chronic renal failure
Severe decrease in kidney function. There are many causes of this, from repeated damage due to infections, diabetes, high blood pressure to autoimmunity (body's immune system attacking itself).
- Tuberculosis (TB) (including scrofuloderma)
- Urethritis
- Acute prostatitis
- Acute renal failure
- Mycoplasma infection
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Have you ever had red or brown urine (hematuria)?
Do you have a fever?
Do you have back pain?
Do you feel pain when passing urine?
Do you have abdominal pain (stomach ache)?
Other Related Symptoms
Similar symptoms or complaints
Symptoms from the same body system / part
Symptoms treated by the same specialty
Reviewed By:
Nao Saito, MD (Urology)
After graduating from Tokyo Women's Medical University School of Medicine, Dr. Saito worked at Tokyo Women's Medical University Hospital, Toda Chuo General Hospital, Tokyo Women's Medical University Yachiyo Medical Center, and Ako Chuo Hospital before becoming Deputy Director (current position) at Takasaki Tower Clinic Department of Ophthalmology and Urology in April 2020.
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Developed by doctors.
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan