A member asked:

How much is considered normal urinary output in a 35 yearsold man, fluid intake of approx. 2, 5 l?i just urinate 400ml morning, 200ml afternoon, no more..

A doctor has provided 1 answer
Dr. James Lin answered

Highly variable...: Daily urinary output highly varies among individuals depending upon fluid intake, physical activity, age, weight, kidney function, and other medical diseases such as heart, liver, etc. On average, it's about 800-2000 cc or about 35-100 cc/hr. But in young age, nighttime urine is about 10-15 %of daily output; in older age, about 35-45%. Bottom line is renal function as reflected in blood test and..

Answered 3/13/2014

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