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Why when I wash my hands, do I get the sudden urge to urinate?

3 doctors weighed in
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In brief: Pavlovian response

This is a classically conditioned response, in which running water (evocative of urinating) can trigger the voiding reflex, causing acute urgency.

In brief: Pavlovian response

This is a classically conditioned response, in which running water (evocative of urinating) can trigger the voiding reflex, causing acute urgency.
Dr. Andrew Siegel
Dr. Andrew Siegel
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