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eftychia: Me in kilt and poofy shirt, facing away, playing acoustic guitar behind head (Default)
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Biology Question

posted by [personal profile] eftychia at 03:56pm on 2005-08-25 under

Old observation that I keep forgetting to ask about: I've noticed that on days when I'm fighting a headache, my head hurts more when my bladder is full than when it's empty. Is this the case for anyone else? Is this one of those normal things nobody ever pays enough attention to to mention?

(Jokes about where I keep my brain, as well as jokes about the ambiguous antecedent for "it's" in the preceeding paragraph, will be acknowledged with no more than a dismissive handwave unless they're unusually clever. If inclined to be a brat, take this as a challenge.)

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There are 7 comments on this entry. (Reply.)
 

(no subject)

posted by [identity profile] ladykathryn.livejournal.com at 08:02pm on 2005-08-25
Hmm, I've actually noticed this too. I'm not sure if it's due to the systemic ick caused by being pinched between two miseries or if it's actually, er, connected.
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(no subject)

posted by [identity profile] andartha.livejournal.com at 08:06pm on 2005-08-25
Well, it might be one of two things:

1. Just your imagination (Not bloody likely since you strike me as someone who pays good attention to what your body is telling you. Just mentioning it because sometimes I'm a stickler for "exploring all the possibilities". ; )

2. Full Bladder = higher pressure in the abdominal/chest area = more pressure on major blood vessels = blood pressure goes slightly up (also in the intra-cranial area) = head hurts more.

Hope that was helpful and I also hope your headache gets better. : )
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(no subject)

posted by [identity profile] aliza250.livejournal.com at 08:34pm on 2005-08-25
I would vote for #2.
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(no subject)

posted by [identity profile] andartha.livejournal.com at 09:11pm on 2005-08-25
LOL. Me too.
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(no subject)

posted by [identity profile] uilos.livejournal.com at 09:57pm on 2005-08-25
Thirding the vote for #2.

When your bladder is full, it's a pretty good sign of being fully hydrated, which means that all your blood vessels (in particular the ones in your head) are all nice and full. Caffeine often eases people's headaches because it dilates your blood vessels slightly, relieving the pressure.
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(no subject)

posted by [identity profile] blumindy.livejournal.com at 08:42pm on 2005-08-25
It could be dehydration. If your bladder is full, your bloodstream my be short of fresh water. I get headaches before I actually feel thirsty. Propel seems especially helpful with this -- in the heat it beats plain water for me.
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(no subject)

posted by [identity profile] dglenn.livejournal.com at 02:50am on 2005-08-26
Except that it diminishes after I urinate, whether or not I also drink anything. (Though yeah, I've had dehydration-related increases in headache pain also, so that's a reasonable conjecture in the absence of this clarification.)

It does seem I'm not alone, anyhow ...
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