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What causes decreased urine output? 34 possible conditions

Oliguria is the medical term for a decreased output of urine. Oliguria is considered to be a urinary output of less than 400 milliliters, which is less than about 13.5 ounces, over the course of 24 hours. The absence of urine is known as anuria. Less than... Read more

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

1

End-Stage Kidney Disease

In end-stage kidney disease, also known as end-stage renal disease (ESRD), the kidneys are functioning below 10 percent of their normal function.

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2

Hypovolemic Shock

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

Hypovolemic shock (hemorrhagic shock) is a life-threatening condition that results when you lose more than 20 percent of your body's blood or fluid supply, preventing the heart from pumping sufficient blood to your body.

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3

Urethral Stricture

Usually the urethra is wide enough for urine to flow freely through it. When it narrows, it can restrict urinary flow. This is known as a urethral stricture.

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4

Dehydration

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

Dehydration takes place when your body loses more fluid than you drink. The most common cause of water loss from the body is excessive sweating.

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5

Kidney Failure

Your body becomes overloaded with toxins if your kidneys can't do their regular job. This can lead to kidney failure and even be life-threatening.

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6

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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7

Obstructive Uropathy

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

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8

Heart Failure

Heart failure is characterized by the heart's inability to pump an adequate supply of blood. Learn about heart failure symptoms, causes, types, and treatment.

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9

Acute Nephritis

Acute nephritis occurs when your kidneys suddenly become inflamed. It has several causes, and it can ultimately lead to kidney failure if it's left untreated.

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10

Chronic prostatitis

Chronic prostatitis is an inflammation of the prostate gland. The prostate is a small gland located below a man's bladder.

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11

The Deadly Potential of Digitalis: Digitalis Toxicity

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

Digitalis toxicity occurs when you take too much digitalis, a medication used to treat heart conditions.

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12

Septicemia

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

Septicemia is bacterial infection spread through the entire vascular system of the body. If untreated it can result in sepsis, a life-threatening inflammation.

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13

Peritonitis

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

Peritonitis is the inflammation of a thin layer of tissue inside the abdomen. Caused by bacteria or fungus, it causes tenderness, bloating, fatigue, greying of the skin, and other problems.

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14

Hemolytic Uremic Syndrome

Hemolytic uremic syndrome (HUS) occurs when an immune reaction causes low red blood cell levels, low platelet levels, and kidney injury.

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15

Cardiogenic Shock

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

Cardiogenic shock occurs when the heart has been damaged to the point where it's unable to supply enough blood to the organs of the body.

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16

Congestive Heart Failure (CHF)

Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. CHF refers to fluid buildup around your heart.

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17

Hepatorenal Syndrome

Hepatorenal syndrome is a type of kidney failure. Read about signs and symptoms.

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18

Cholera

Cholera is a serious bacterial disease that can cause severe diarrhea and dehydration. Find out if you're at risk.

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19

Septic Shock

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

Septic shock is a complication of an infection. It can cause inflammation and could become life-threatening.

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20

Bleeding Esophageal Varices

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

Find information on bleeding esophageal varices symptoms, causes, risk factors, treatment, and prevention.

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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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