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A member asked:

I'm getting dizziness and tunnel vision upon standing, what can cause this?

A doctor has provided 1 answer

Blood flow!: Decreased blood flow to the brain can cuase these symptoms. Usually exacerbated when changing from lying or sitting position to standing. You may have a problem with your vertebral basilar arterial system. You need to see an ophthalmolgist or your pcp.

Dr Conrad and another doctor agreed

Answered 1/3/2013

5.4k views

Thank

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I have bad depersonalization with anxiety. Sometimes I get these split seconds where I feel like I'm going to fade out completely/faint. I don't get hot, tunnel vision or dizzy. It only lasts a few seconds. Could that just be the anxiety?

3 doctors weighed in across 2 answers

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What can cause sudden tunnel vision, extreme loss of balance, and immediately followed with vomiting? During more serious episodes, there is slurred speech. No dizziness. Episodes are occurring multiple times a week, whether resting or active?

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10 years I have had problems with being tired all the time and getting lightheaded and dizzy and I will get tunnel vision and trouble breathing?

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