Blood in urine, Fever: 22 Possible Causes
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What causes blood in urine and fever? 22 possible conditions

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

1

Pyelonephritis

Pyelonephritis is an inflammation of the kidney and upper urinary tract. Symptoms include flushed skin, back pain, fever, and nausea.

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2

Kidney Stones

Kidney stones are solid masses of crystalized calcium or other substances that originate in the kidneys but can pass through the urinary tract. The greatest risk factor is making less than one liter of urine per day.

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3

Obstructive Uropathy

Obstructive uropathy happens when your urine flow reverses direction due to a blockage in a ureter.

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4

Urinary Tract Infection

The urinary tract consists of the kidneys, ureters (which connect the kidneys and the bladder), bladder, and urethra. Urinary tract infections (UTIs) can occur in any part of the urinary tract. Most UTIs are caused b...

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5

Urethritis

Urethritis is an infection of the urethra, the tube that carries urine from the bladder and semen out of the body. Symptoms include burning while urinating, abdominal pain, and discharge.

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6

Bladder Stones: The Bad, the Ugly, and the Good

Bladder stones are crystals that form when concentrated urine is left in the bladder after urination, often due to dehydration or being unable to empty the bladder totally. Symptoms include painful urination and others.

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7

Acute Unilateral Obstructive Uropathy

Obstructive uropathy is a blockage that prevents urine from leaving your kidneys. When this condition develops suddenly and only affects one kidney, it’s called acute unilateral obstructive uropathy. The blockag...

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8

ABO Incompatability Reaction

This condition is considered a medical emergency. Urgent care may be required.

An ABO incompatibility reaction can occur if you receive the wrong type of blood during a blood transfusion. It's rare but serious and potentially fatal.

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9

Reactive Arthritis (Reiter's Syndrome)

Reiter's syndrome produces inflammation, swelling, and pain in the joints due to infection elsewhere in the body. Symptoms include mouth ulcers, painful urination, and urethral discharge.

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10

Glomerulonephritis

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

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11

Wilms' Tumor

Wilms' tumor is the most common type of kidney cancer in children. It's typically diagnosed around three years of age. Children might display constipation, abdominal pain, fever, and loss of appetite.

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12

Systemic Lupus Erythematosus

Systemic lupus erythematosus (SLE) is an autoimmune disease and the most common type of lupus. One of its common symptoms is a rash on the cheeks and nose called a "butterfly rash."

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13

Preeclampsia

Preeclampsia occurs when you're pregnant and you have high blood pressure and protein in your urine. It can be dangerous for both you and your baby.

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14

Infective Endocarditis

Infective endocarditis is an infection in the heart valves or endocardium. It can lead to stroke and heart failure. Read about the symptoms and treatments.

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15

Endocarditis

Endocarditis, also known as infective endocarditis, is a condition in which your heart's inner lining is inflamed. Learn about causes and symptoms.

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16

Leukemia

Leukemia is a cancer of the blood cells. There are several types of blood cells, including red blood cells (RBCs), white blood cells (WBCs), and platelets. Generally, leukemia refers to cancers of the WBCs. Two types o...

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17

Necrotizing Vasculitis

This condition is considered a medical emergency. Urgent care may be required.

Necrotizing vasculitis is the inflammation of blood vessel walls. It can interrupt blood flow, causing skin, muscle, and blood vessel damage.

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18

Sickle Cell Anemia

Red blood cells are normally shaped like discs, which allows them to travel through blood vessels. Sickle cell disease causes sickle cells to be sickle-shaped.

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19

Aspergillosis

Aspergillosis is an infection, allergic reaction, or fungal growth caused by the Aspergillus fungus.

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20

Polyarteritis Nodosa

Polyarteritis nodosa (PAN) is a serious but rare disease of the blood vessels caused by an immune system malfunction.

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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.
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