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Medical Forum / General / General / August 2005Urine Volume for a Male?
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? |||||||||||||||| Nehmo Sergheyev |||||||||||||||| > 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? > > |||||||||||||||| Nehmo Sergheyev |||||||||||||||| 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. - Nehmo - > > 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? - Derek F - > 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. - 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? |||||||||||||||| Nehmo Sergheyev |||||||||||||||| >> 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 [quoted text clipped - 7 lines] >retention to five times that amount. >Derek. 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 circumstances 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 > On Mon, 4 Jul 2005 18:54:20 +0000 (UTC), "Derek F" > Urine volume varies a lot. To find out your own capacity, pee in a [quoted text clipped - 28 lines] > > Ed 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 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 > Go for the surgery now. Over the last few years it has become "minor" > surgery, although no surgery is really minor. Laser surgery involves [quoted text clipped - 4 lines] > > Fred Your advice is sensible; my doctor thinks the same. But, on the other hand, I also read technical stuff (although I am not a doctor), and after evaluation, I decided to try Avodart + Doxasozin, according to: http://www.medscape.com/viewarticle/505863_1 I've been taking this for three months, and the results, if any, will be seen after 6 months. In any case, the article says that in many cases surgery can be posponed for many years. I'd like to read more comments. Juan I second Fred's suggestion to get the surgery and get relief, but I also emphasize his caution to remember that no surgery is really "minor." As you can read in several posts here, for some (including me), the surgery was more "minor" than it was for others--for some, it was "major." Vince  Signature"Some men see things as they are and say 'Why?' I dream of things that never were and say 'Why not?'" --George Bernard Shaw > > Go for the surgery now. Over the last few years it has become "minor" [quoted text clipped - 5 lines] > > Fred >I second Fred's suggestion to get the surgery and get relief, but I also >emphasize his caution to remember that no surgery is really "minor." As [quoted text clipped - 11 lines] >> >> Fred Sorry to "jump in the car here", but what surgical procedure are we talking about here? (just out of curiosity)--- thanx >>I second Fred's suggestion to get the surgery and get relief, but I also >>emphasize his caution to remember that no surgery is really "minor." As [quoted text clipped - 15 lines] > talking about here? (just out of curiosity)--- > thanx Try this and the Laserscope link http://tinyurl.com/83onz Derek. >>>I second Fred's suggestion to get the surgery and get relief, but I also >>>emphasize his caution to remember that no surgery is really "minor." As [quoted text clipped - 19 lines] > http://tinyurl.com/83onz > Derek. PVP. Wow--interesting. Sounds gnarly. thanx On Tue 05 Jul 2005 15:01:01, wrote: <news:1120572061.256946.256910@g47g2000cwa.googlegroups.com> > 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. What does the surgery do to you? >> On Mon, 4 Jul 2005 18:54:20 +0000 (UTC), "Derek F" >> Urine volume varies a lot. To find out your own capacity, pee in a [quoted text clipped - 36 lines] >Thank you, >Juan I've had BPH for around 7 years. Started with almost no symptoms except that I was not able to pee (at all) when the bladder was over-full. The symptoms gradually got worse, especially during 2004, when I had things like 2-day episodes of needing to pee every hour, acute retention during the night (from over-full bladder), and up 45 minutes at a time at night trying to void. In early 2005 my prostate was determined to be about 150 mL by ultrasound. A PVP or especially a TURP would be very risky at that size. My uro put me on Flomax and Proscar in early March '05. Symptoms have improved quite a bit. He implies that if meds are working, then surgery may be unnecessary. Suits me. From reading this group, it seems that most people who have surgery are quite satisfied with the results, but some have little change in symptoms or are disappointed, and once in a while you have one who has had very bad results and is bitter. You can't undo surgery, but drug therapy can be reversed. So for now, it's drugs for me. Side reactions so far are minor. Ed 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." > 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? On 7/4/05 3:46 PM, in article 11cj81g266s0e61@corp.supernews.com, "Chockman" <chockman@canby.com> wrote: > The Encylopedia of Nursing and Allied Care says... > [quoted text clipped - 8 lines] >> words, if you feel your bladder is full, and you urinate, how much >> should be there? 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 > On 7/4/05 3:46 PM, in article 11cj81g266s0e61@corp.supernews.com, > "Chockman" [quoted text clipped - 20 lines] > > ME 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. <news:11cj81g266s0e61@corp.supernews.com> > The Encylopedia of Nursing and Allied Care says... > [quoted text clipped - 4 lines] > capacity ranges between 250 to 550 ml, and normal adult male > capacity ranges from 350 to 750 ml." Jeeze those are high figures when I compare myself. I get a sense of urgency at 400 ml or below and I need to go. 500 ml would be a triumph for me but it is not a volume I ever recall having measured. The weird thing is that there is a lot of psychological imput to the sense of urgency. I can drink half a glass of water and, if I am almost ready to go, I will feel I really have to go. This drinking-water urgency would probably pass if I waited long enough - but I have never waited long enough! > <news:11cj81g266s0e61@corp.supernews.com> > [quoted text clipped - 18 lines] > drinking-water urgency would probably pass if I waited long enough > - but I have never waited long enough! There is absolutely a psychological connection. I will typically feel the urge to go with 200ml or so but if I get distracted and forget about it, I may last another hour or two before I go. I am on Ditropan and that has helped but not to the extent I'd like. Take a look at the following reference... http://www.findarticles.com/p/articles/mi_gGENH/is_/ai_2699003195 > 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? >> 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? <news:11cj868gltgp03a@corp.supernews.com> > Take a look at the following reference... > http://www.findarticles.com/p/articles/mi_gGENH/is_/ai_2699003195 Interesting article. It says: "A feeling of fullness occurs with a volume of 100-200 ml" but this figure seems rather on the low side to me. ------ For completeness I should say that it goes on like this: "Normal adult female bladder capacity ranges between 250 to 550 ml, and normal adult male capacity ranges from 350 to 750 ml". >>> 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 [quoted text clipped - 19 lines] > "Normal adult female bladder capacity ranges between 250 to 550 > ml, and normal adult male capacity ranges from 350 to 750 ml". I think a feeling of fullness means that one feels that (s)he has to pee. I would think that the normal bladder capacity range would be from like 250 - 750 ml (female) and maybe 350 to 1000 ml male. There are times I have peed for what seems like 2 minutes, so I think my capacity is higher than 1000 ml. However, what time of day, how fast I am making urine, when the next coffee break is, whether or not I have to poop, how much stool is in my rectum, how much caffeine I drank that day and other factors affect my bladder capacity and my feeling that I have to pee. Jeff |
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