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A 28-year-old male asked:

I cleaned my foot that has a little tiny bit of athletes foot then i used the wash cloth to wipe my groin. my penis shrunk immediately after that. how?

1 doctor answer1 doctor weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
That's what they do: Penises change size throughout the day, sometimes for good reasons, sometimes for no reason. That's what they do. It's the nature of the thing. No worries, unless it shrunk and doesn't get bigger after shrinking.

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Last updated Jul 22, 2016

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