# Is there a doctor in the house?

**URL:** <https://boards.straightdope.com/t/is-there-a-doctor-in-the-house/73185>\
**Category:** Factual Questions\
**Created:** [July 20, 2001, 2:27pm UTC](https://boards.straightdope.com/t/is-there-a-doctor-in-the-house/73185 "2001-07-20T14:27:47Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Pnuk\_Guy](https://avatars.discourse-cdn.com/v4/letter/p/7ba0ec/32.png) [@Pnuk\_Guy](https://boards.straightdope.com/u/Pnuk_Guy)\
**Post date:** [July 20, 2001, 2:27pm UTC](https://boards.straightdope.com/t/is-there-a-doctor-in-the-house/73185/1 "2001-07-20T14:27:47Z")

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Ok, so I was sitting on the John and I noticed that my legs are blue.

From the inside of my thighs down to the knee cap there is a ‘streak’ of blue skin on both of my legs.

Obviously this is a circulation problem, if i press the skin it goes white for about 1-2 seconds and then back to blue.

but why? what’s causing it?

I went out drinking last night and only got about 5 hours sleep, does this have ayting to do with it? I’ve never had it before. I’m not worried, just curious.

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**Author:** ![Qadgop\_the\_Mercotan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/qadgop_the_mercotan/32/83_2.png) [@Qadgop\_the\_Mercotan](https://boards.straightdope.com/u/Qadgop_the_Mercotan)\
**Post date:** [July 20, 2001, 5:12pm UTC](https://boards.straightdope.com/t/is-there-a-doctor-in-the-house/73185/2 "2001-07-20T17:12:08Z")

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WAMDG: you’ve got veins, that become apparent when you sit and cause them to fill more. But it’s just a guess, since I haven’t looked at you. See someone IRL if you really want to know what’s going on.

Qadgop, MD

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**Author:** ![Finagle](https://avatars.discourse-cdn.com/v4/letter/f/b19c9b/32.png) [@Finagle](https://boards.straightdope.com/u/Finagle)\
**Post date:** [July 20, 2001, 6:30pm UTC](https://boards.straightdope.com/t/is-there-a-doctor-in-the-house/73185/3 "2001-07-20T18:30:52Z")

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Any chance you just wore a new pair of blue jeans last night?

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**Author:** ![Ethilrist](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ethilrist/32/4604_2.png) [@Ethilrist](https://boards.straightdope.com/u/Ethilrist)\
**Post date:** [July 20, 2001, 6:41pm UTC](https://boards.straightdope.com/t/is-there-a-doctor-in-the-house/73185/4 "2001-07-20T18:41:38Z")

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Well, if the skin goes back to its previous color, that’s a good thing. If it turns white and stays white, that’s a definite problem.

I know it’s a bad sign when your fingernails and lips turn blue, but they never mentioned the inside of the thighs turning blue in first aid class…