how come I feel dizzy after being in the shower a long time?
812839
Basically your body becomes very warm, which causes vasodilation of  your blood vessels. Meaning your blood vessels "expand" thus there is less flow to your brain, hence your lightheadedness. If you sit in a really hot tub for 30min and then quickly stand up and jump around,  you might even pass out.
546042
well.. u use a lot of energy to do it, and it releases like sme hormones that make u sleepy. dont u feel dizzy and tired and sleepy after? ok. hope that answers ur question\n\nand yes.
466910
are you doing anything just before or during that makes them come on?  like standing up?  a lot of dizzy spells are from low blood preasure, especially when standing up (it's called orthostatic hypotension).  also it can come from low blood sugar.   so make sure you're not getting too hungry by snacking on fruits during the day and drink plenty of water.
991958
It can certainly make you feel nauseous.  It's different from when you were a child because your centre of gravity is so much further from the floor!  If I were you I wouldn't spin around too much unless you want to feel pretty yuk afterwards :)
290912
I can't exactly tell you what the problem is, but my wife is a doctor of audiology.  Ifyou have that kind of dizziness/off balanced, it can be a sign of some inner ear infection or one of several other problems.  I suggest you get into see an ear nose and throut doctor who will send you to an audiologist for tests such as a vng/eng or abr.  Some of these  can be fixed relatively quickly.  If you can go straight to an audioligist, who specializes in hearing and balance testing, I suggest you go there first.  Your ear is the area that provides you with balance and anything that causes you to be off balance should be dealt with by a professional.  Good luck!
674106
i have the same problem:( i'm always tired and i feel EXHAUSTED when i take a shower or a bath! couldn't figure out the problem though cz even when i ate healthy food, had enough sleep, took a vacation..anything but it didn't work so i thought it could be from thinking. if u have many problems or too many things on ur mind it could be this.\n\ni hope u feel better soon anyways
669213
Drink plenty, but maybe make sure you have a couple Gatorades mixed in with the waters. If it's that hot, you'll be sweating, which will deplete your electolytes. If you only replace the water, your blood sodium levels will get messed up and can cause problems for you. \n\nTake breaks when possible, and see about doing some indoor training. Here, we have indoor tracks in air conditioned gyms. \n\nAbove all, listen to your body. If you feel dizzy, weak, nauseated, get a headache, etc. STOP and rest. If it continues, see a doctor.
1182126
Interesting question.  It has to do with the bladder rapidly shrinking in size.  This sends out all kinds of nerve impulses which can make you shiver, feel dizzy and even pass out.  If you want to read about something pretty wild, yahoo search "micturition  syncope"  good luck and be careful!
863240
Since you had recently suffered from flu, and having sat around during the party in the night where you could have lost your body’s core temperature.  Your body had reacted to it by curtailing the circulation of the skin (goose pimples) and other non essential parts of the body so conserve heat of your body.  But once you were back in your bed, the outside temperature being returned back to normal, blood would have started flowing out to the skin, which was so far curtailed by your body mechanism.  This caused the body losing heat and this started the shivering and this way the muscular activity generated had built up your core body temperature while diverting your blood to the splanchnic pool (the blood pool which supplies to the viscera of the body).  \n\nNow since your blood was pooled in your visceral area and therefore could not reach the brain in sufficient quantities while you were straining to void your bladder, it caused you a spell of dizziness/fainting.  MICTURATION SYNCOPES are known to occur, but in the old and the frail, after prolonged illnesses, or in those with obstruction like BPH (Benign Prostate Hypertrophy) where one has to strain more to pass out urine through the obstructed tract.   \n\nDo not be unduly worried.  Start taking plenty of warm fluids, soups etc.  Keep your body well protected from cold and do not jump out of the bed, get out slowly and do not hurry.  Do not strain too much while standing to void your bladder.  Good luck.
584956
that is one thing you cannot do,i know i had it bad,to the point a doctor told me i had a brain tumor.when what i thought was causing the problem,was the problem.i had dizziness so bad i would vomit like crazy.anyway go see a ear,nose&throat doctor.let him/her check your ears out.if you have a hole in your ear drum,with fluid back behind it, that will cause it ,a big cause of dizzeness,vertigo is something is wrong with the inner ear.the inner ear has small tubes in them that contains fluid in them,we are born with it.thats where we get our balance from.when something bothers it,like infection,it causes vertigo.
275563
Certain meds can cause dizziness, as can colds and flus.  If it persists, it could be vertigo, or an ear infection.  There is medication to treat both of these, or a doctor can do exercises to reduce the fluids in your ears.  Additionally, if you have low blood pressure dizziness can occur, but not usually for prolonged periods.
291531
YOu might be suffering from Syncope, a nerve in the abdomen that somehow caused lightheadedness and passing out.\nJust a thought, not medical advice.\n\nhttp://www.americanheart.org/presenter.jhtml?identifier=4749
627288
Quick answer... there are many causes, but one of them can be anemia, or internal bleeding, or the side effects of some medications. Low blood pressure can make you feel dizzy, or you can faint if you stand too quickly after sitting or lying down.
725993
Our equilibrium is controlled by the semicircular canals in the inner ear. The semicircular canals are filled with fluid and together, make up something called the labyrinth. The canals are lined with tiny hairs that sense movement of the fluid in the semicircular canals. These tiny hairs then send messages to the brain that give information about the position of the head. \n\nNotice that while your spinning, you don't feel dizzy...It's only after you stop.  Once you stop spinning, the fluid flows back to the normal places and it does it quickly.  Too quickly for your brain to know exactly where your head is.  The feeling of dizziness is actually a nerve impulse from your brain to the rest of your body prompting your reflex to widen your legs and reach out for something to keep you from falling.  Just like pain is a nerve impulse prompting your reflex to pull back from the source of injury.\n\nIf you think about, all of the sensations we have are just different kinds of impulses that we are familiar with and in English we have given those impulses names: Cold, Hot, Dizzy, Pain, Tickle, Itch...All generate different messages from the brain to the body, each distinct from the others.\n\nNote- That's different from Vertigo...
493399
You need to check your blood pressure. Low blood pressure may cause dizziness when you sit suddenly after waking up. Buy sea salt and use it (just keep under tongue) more often during the day. That should help a lot.
913631
It could just be stress...  almost anything can change your flow.  Chances are that you're not pregnant since you are bleeding a little bit.  If you still feel weird after it stops, go to the doctor or take a test.  Good Luck!
1140053
No, a shower before going to bed is suppose to be relaxant. I think you should get yourself checked. Maybe too much stress? Not enough sleep?