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Learn about your bright red (bloody) urine, including causes and common questions. Or get a personalized analysis of your bright red (bloody) urine from our A.I. Symptom Checker. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

Your Bright Red (Bloody) Urine May Also be Known as:
Blood in urine
Bloody pee
Bloody urine
Peeing blood
Red pee
Red urine
Urine has blood in it

Top 7 Bright Red (Bloody) Urine Causes

  1. 1.Acute Postinfectious Glomerulonephritis

    The kidneys are a pair of important organs that lie near the spine whose function is to filter blood. There are about 1 million glomeruli in each kidney, which are tiny balls of thin blood vessels where there filtration takes place. After an infection anywhere in the body, especially a streptococcal infection (strep throat), these glomeruli may become inflamed.

    You should visit your primary care physician within the next 24 hours. Prescription medications are needed to take care of the inflammation as well as any infection if it is still present. The kidney is an important organ and needs to be taken care of as soon as possible!

    Rarity:
    Rare
    Top Symptoms:
    headache, nausea, loss of appetite, vomiting, fatigue
    Urgency:
    Hospital emergency room
  2. 2.Bladder Cancer

    The bladder is a hollow organ in your lower abdomen that stores urine. Bladder cancer, which occurs in the lining of the bladder, is the sixth most common type of cancer in the United States.

    You should visit your primary care physician who will coordinate your care with a cancer specialist (oncologist). Early bladder cancer is usually confined to the superficial lining, and treatment is for the most part easy and curative.

    Rarity:
    Rare
    Top Symptoms:
    abdominal pain (stomach ache), constipation, pelvis pain, frequent urination, side pain
    Urgency:
    Primary care doctor
  3. 3.Painful Bladder Syndrome (Interstitial Cystitis)

    Painful bladder syndrome, also known as interstitial cystitis (IC), is a chronic condition that causes inflammation, discomfort, or pain in the bladder and a need to urinate frequently and urgently.

    You schedule an appointment with your doctor, as they will be able to coordinate appropriate care. Treatments include avoiding foods that make the symptoms work, as well as physical therapy and bladder training.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, abdominal cramps (stomach cramps), pelvis pain, depressed mood, sudden urgency to urinate
    Urgency:
    Primary care doctor

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  4. 4.Interstitial Nephritis

    The tissue of the kidneys can become inflamed for many different reasons, ranging from medications to infection to our own immune system

    You should go to your primary care physician(PCP) tomorrow for a sick visit.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, loss of appetite, joint pain, fever, side pain
    Urgency:
    Primary care doctor
  5. 5.Alport Syndrome

    Alport syndrome is an inherited disorder that damages the blood vessels in the kidneys.

    You should go see your primary care doctor in the next 24 hours. Diagnosis is based on having the right symptoms, genetic testing, and doing blood tests to determine kidney function. Treatment is with medications (ACE inhibitors) and referred to a nephrologist for long term management.

    Rarity:
    Rare
    Top Symptoms:
    side pain, pink/blood-tinged urine, bright red (bloody) urine, swollen ankle, hearing loss
    Symptoms that never occur with alport syndrome:
    severe fever
    Urgency:
    Primary care doctor
  6. 6.Glanzmann Thrombasthenia

    Platelets are cells in the blood that are needed to form blood clots and prevent uncontrollable bleeding. Glanzmann thrombasthenia (GT) is a rare inherited (genetic) disorder in which platelets do not function normally. The symptoms of this disease are bleeding from the gums, in the digestive tract, as well as purple-red spots on the skin called petechiae.

    You should visit your primary care physician. Treatment usually involves avoidance of antiplatelet medications such as aspirin, iron or folate supplementation, and platelet transfusion.

    Rarity:
    Rare
    Top Symptoms:
    unexplained bruising, nose bleed that started spontaneously, bright red (bloody) urine, bleeding gums, heavy menstrual flow
    Urgency:
    Primary care doctor
  7. 7.Goodpasture Syndrome

    Goodpasture syndrome is an autoimmune disorder, which means immune system mistakenly attacks and destroys healthy body tissue. Persons with this syndrome develop substances that attack a protein called collagen in the tiny air sacs in the lungs and the filtering units (glomeruli) of the kidneys.

    You should seek immediate medical care at an urgent care clinic or ER as this syndrome is fatal unless quickly diagnosed and treated.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, shortness of breath, muscle aches, nausea, fever
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Bright Red (Bloody) Urine

  • Q.Any fever today or during the last week?
  • Q.Have you experienced any nausea?
  • Q.Do you feel pain when you urinate?
  • Q.Are you currently sexually active?

If you've answered yes to one or more of these questions, check our bright red (bloody) urine symptom checker.

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Bright Red (Bloody) Urine Symptom Checker Statistics

  • People who have experienced bright red (bloody) urine have also experienced:

    • 8% Painful Urination
    • 5% Abdominal Pain (Stomach Ache)
    • 5% Pink / Blood - Tinged Urine
  • People who have experienced bright red (bloody) urine were most often matched with:

    • 10% Bladder Cancer
    • 3% Painful Bladder Syndrome (Interstitial Cystitis)
    • 1% Acute Postinfectious Glomerulonephritis

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