Oliguria is a medical condition characterized by abnormally low urine output, typically less than 400-500 mL per day in adults. It can indicate dehydration, kidney dysfunction, or urinary obstruction, requiring prompt medical evaluation.

Oliguria FAQ


What defines oliguria in adults?

Oliguria is defined as urine output less than 400-500 mL per day in adults, indicating potential kidney issues.

What are common causes of oliguria?

Causes include dehydration, acute kidney injury, urinary tract obstruction, and heart failure.

How is oliguria diagnosed in Malaysia?

Diagnosis involves urine output measurement, blood tests, and imaging studies like ultrasound.

Can oliguria be treated at home?

Mild cases due to dehydration may be treated with fluid intake, but medical evaluation is crucial.

What medications treat oliguria?

Diuretics like furosemide, fluid resuscitation with normal saline, and medications addressing underlying causes.

Is oliguria always a sign of kidney disease?

No, it can result from dehydration, obstruction, or other conditions affecting kidney function.

How quickly should oliguria be treated?

Prompt treatment is essential to prevent complications like acute kidney injury.

Can oliguria cause permanent damage?

Untreated oliguria can lead to chronic kidney disease or failure if underlying causes are severe.

What are signs of oliguria?

Symptoms include reduced urine output, fatigue, swelling, and in severe cases, confusion.

How does diabetes relate to oliguria?

Diabetes can cause oliguria due to diabetic ketoacidosis or kidney damage (diabetic nephropathy).

Is oliguria common in hospitalized patients?

Yes, especially in critically ill patients with dehydration, sepsis, or those undergoing surgery.

Can medications cause oliguria?

Yes, certain drugs like NSAIDs, ACE inhibitors, and diuretics can affect kidney function.

What is the outlook for oliguria with treatment?

Prognosis depends on the underlying cause; prompt treatment often leads to full recovery.

How can oliguria be prevented?

Stay hydrated, manage chronic conditions, and avoid nephrotoxic substances.

When should I seek emergency care for oliguria?

Seek immediate help if urine output decreases significantly, especially with fever, chest pain, or confusion.

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