Oliguria is a medical condition characterized by a noticeable decrease in urine output, typically defined as less than 400 milliliters per day. It may result from various factors including dehydration, kidney problems, or urinary tract issues, impacting overall health and fluid balance.

Oliguria FAQ


What is oliguria?

Oliguria is when a person produces less than 400 milliliters of urine in a day.

What causes oliguria?

It can be caused by dehydration, kidney issues, or urinary tract obstructions.

How is oliguria diagnosed?

Diagnosis usually involves urine output measurement and laboratory tests.

What are the symptoms of oliguria?

Symptoms may include reduced urine output, swelling, and fatigue.

Is oliguria serious?

Yes, it can indicate serious health issues and requires medical evaluation.

Can oliguria be treated?

Treatment depends on the underlying cause and may include medications or hydration.

What medications are used for oliguria?

Diuretics like Lasix and medications to treat underlying conditions may be used.

What is the difference between oliguria and anuria?

Oliguria is a low urine output, while anuria indicates no urine production.

How can I improve my urine output?

Increasing fluid intake and seeking medical advice can help improve urine output.

What should I do if I experience symptoms of oliguria?

Consult a healthcare professional as soon as possible for evaluation.

Can dehydration cause oliguria?

Yes, severe dehydration is a common cause of oliguria.

Are there lifestyle changes I can make for better kidney health?

Staying hydrated, eating a balanced diet, and monitoring blood pressure can help.

Does oliguria affect kidney function?

Yes, persistent oliguria can indicate problems with kidney function.

What tests will my doctor perform for oliguria?

Your doctor may order blood tests, urine tests, and imaging studies.

Is oliguria reversible?

It often is, especially when treated promptly and effectively.

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Information provided by Dr. Nithya Priya Raju. Reviewed by Dr. Mohamed El Khouly