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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Anonymous 0 Comments

I find that when I need to pee but nothing is really there, it’s usually the gas built up in my intestines pushing against my bladder. If you get stomach pains or lower back pain accompanying it that may be the cause. Obviously go to a doctor if something feels off.

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