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1 17th May 01:20
nehmo sergheyev
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Default Urine Volume for a Male? (bladder)


For a normal (I suppose this may vary with age) 210 lb (95 kg) male,
what's the typical volume of urine disposed of at one time? In other
words, if you feel your bladder is full, and you urinate, how much
should be there?

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2 17th May 01:21
derek f
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Default Urine Volume for a Male? (bladder)


I have been surprised by the authoritative answer from urologists that
normal capacity/urinination is 500ml. The bladder can of course stretch with
retention to five times that amount.
Derek.
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3 17th May 01:21
nehmo sergheyev
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Default Urine Volume for a Male?


- Nehmo -

- Derek F -


stretch with


- Nehmo -
500 ml sounds low. And the five factor sounds high. I couldn't stretch
that far, that's for sure.

I haven't yet found an answer on the web.

On
http://www.shands.org/health/information/article/003425.htm
(Verbatim content on several different sites.)
“Normal Values: 800 to 2000 ml/day (with a normal fluid intake of about
2 L/day)”

So then a reasonable question would be, How many times a day do men
urinate on average?

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4 17th May 01:21
ed
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Default Urine Volume for a Male? (bladder)


Urine volume varies a lot. To find out your own capacity, pee in a
bottle and measure it. It's that simple. It will vary from hour to
hour, and also from person to person.

My volume is around 250 mL, but usually I discharge less than that,
around 150 mL during the day and a bit more at night. I've had acute
retention and the volume then (after a couple of agonizing hours in
emergency) was around 1100 mL. At that volume I was getting pretty
ugly bladder spasms, and bleeding was happening from the bladder
capillaries.

The number of times you have to get up at night depends on the
effective bladder volume and on how much urine is produced during your
normal sleep period. For me, I typically make 400-500 mL per night. So
I need to get up twice usually. Sometimes (couple times a month) my
body makes 800-900 mL per night, and consequently I make many trips at
night, and under those cir***stances peeing can be slow and stressful.

They say the body makes about 1 mL urine per minute, as a rough
average. During the day I need to pee once every 2-3 hours, so that
kind of figures.

There have been periods when I peed only 50 mL or so, and then I
visited the john every hour.

Consuming salty food slows urine production. Caffeine they say does
the opposite.

And that is my take on the physics and chemistry of peeing.

Ed
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5 17th May 01:21
chockman
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Default Urine Volume for a Male? (bladder)


The Encylopedia of Nursing and Allied Care says...

"The normal bladder should not begin contractions during filling and
should initially expand without resistance. A feeling of fullness occurs
with a volume of 100-200 ml. Adult bladder capacity varies dependent on
gender. Normal adult female bladder capacity ranges between 250 to 550
ml, and normal adult male capacity ranges from 350 to 750 ml."
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6 17th May 01:21
chockman
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Default Urine Volume for a Male?


Take a look at the following reference...

http://www.findarticles.com/p/articles/mi_gGENH/is_/ai_2699003195
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7 17th May 01:21
matthew emme
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Default Urine Volume for a Male? (bladder)


Those numbers are probably about right. Much depends on the person. Most
people feel very full at about 500cc and have a first sensation around that
150cc range. When you do testing of bladder function in the office often
the volumes are lower because you fill the bladder quicker.


ME
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8 17th May 01:21
derek f
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Default Urine Volume for a Male? (bladder)


I have always felt that filling up before bladder function tests must give a
result different from the persons normal bladder activity. A urologist
compared it to a guy drinking three pints of beer. He will not need to go to
the toilet for some time but when he does and passes 500 ml he will find
that he has to go again several times in a short period of time.
Derek.
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9 17th May 01:21
juan moreira
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Default Urine Volume for a Male?


Ed, you describe almost my own symptoms. And my doctor says that I am long
due for surgery. Can you please, tell us more about your own prognostics and
treatments? Should I listen to my doctor and apply for surgery, or keep
waiting as I do?

Thank you,
Juan
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10 17th May 01:21
External User
 
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Default Urine Volume for a Male? (bladder)


Go for the surgery now. Over the last few years it has become "minor"
surgery, although no surgery is really minor. Laser surgery involves
almost no bleeding and recovery varies but after a few days you can
resume normal activities. Another argument is that repeated bladder
stretching is not good. Get it done now and odds are you will wonder
why you waited so long.

Fred
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