eli5: Why does the serious urge to pee not correlate with the amount that comes out

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So sometimes when the urge to pee is really bad it’s bordering on painful, like after a long sleep or car drive, not that much comes out. But then other times when I’m just chilling at home and go for a pee with no urgency I pee like Seabiscuit. What gives? What causes you to need to pee so badly it hurts cuz it doesn’t seem like it’s a volume thing?

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32 Answers

Anonymous 0 Comments

it’s about how used to the sensation you are. if you practice not peeing often, your tolerance would rise. then a small amount no longer makes you feel like you need to pee.

source: i cured my night time peeing session by holding it in while i’m awake. now when i actually feel a strong urge to pee, the thing is like half a liter’s worth of piss.

Anonymous 0 Comments

Have the same thing and went to a urologist and apparently everything is good…he told me we all have different urination patterns and our “voiding” is different for everyone, what i noticed for myself is that when im hydrated it doesnt hurt and I’ll just go pee normally and theres lots coming out, when i havent hydrated in a while that’s when the sudden urge happen where it feels like I’m gonna pee myself and it hurts to pee and theres barely nothing coming out🤷 if you’re privileged enough to have access to a doctor/urologist i would still go my friend, rather be safe than sorry type thing