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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Fainting Feeling During Urination?

my 11 year old son mentioned during dinner tonight that he still gets a fainting feeling when he pees - and that it is now happening throughout his pee ( not just at the end or at the beginning). Could this be caused by dehydration.....he doesn t drink much ....or is this something he should go to his doctor to have test done...?
Thu, 8 Jan 2015
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General & Family Physician,  's  Response
Hi, your explaination of the problem is suggestive of Vasovagal syncope in the form of Micturation syncope.It is not so uncommon problem seen in some adolescenst and more commonly in adults. This could be due to neuronal excitation which is triggered by urination. Or it could be due to any underlying cardiac disease like a structural heart disease or any arterial block. So, get an ECG and Echocardiography with doppler of large vessels done to rule out any abnormality. Usually, a CT scan head is also prescribed to rule out brain disorder. These syncopes are sometimes are preceded by some auras in form of lightheadedness, nausea, black out or headache. When these appear, the child can abort this attack by clenching of fist, grinding of teeth, tightening of thigh muscles. and after every episode, some amount of sleep should be given.
Thanks and regards.
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What Causes Fainting Feeling During Urination?

Hi, your explaination of the problem is suggestive of Vasovagal syncope in the form of Micturation syncope.It is not so uncommon problem seen in some adolescenst and more commonly in adults. This could be due to neuronal excitation which is triggered by urination. Or it could be due to any underlying cardiac disease like a structural heart disease or any arterial block. So, get an ECG and Echocardiography with doppler of large vessels done to rule out any abnormality. Usually, a CT scan head is also prescribed to rule out brain disorder. These syncopes are sometimes are preceded by some auras in form of lightheadedness, nausea, black out or headache. When these appear, the child can abort this attack by clenching of fist, grinding of teeth, tightening of thigh muscles. and after every episode, some amount of sleep should be given. Thanks and regards.