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Diagnosed with dehydration, have constant, severe headaches, dizziness followed by fainting, low appetite after taking plenty water. Help?

My boyfriend went to a doctor and they said it was just dehydration , and blew him off. He s 15, and 5 9 , about 135 lbs, so average weight. He has constant, severe headaches where he says it feels like his head is going to explode, gets really dizzy, and has passed out at least 9 times. He never has an appetite , and is always suffering from his head. He s been drinking more and more water and eating more and healthier for the past 2 months since his appointment, but nothing has helped. I m very concerned and don t know what to do next.
Asked On : Thu, 16 Aug 2012
Answers:  1 Views:  31
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General & Family Physician 's  Response
Hi there,

His doctor might be right. Dehydration does cause dizziness and headaches. Let him continue to drink plenty of water and eat healthy.

In the meantime it would be worthwhile to get a couple of blood investigations done, like, Hemoglobin, Thyroid function test, Vitamin B12 levels, blood sugar levels, serum electrolytes . Sometimes, abnormalities in the above mentioned tests could cause symptoms similiar to what he is experiencing right now.

Dizziness and headaches could also be due to stress or anxiety. I would also advise him to sign up for yoga/ relaxation classes.

Hope this helps.

Dr. Divya Kuttikrishnan
Answered: Sat, 18 Aug 2012
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