Hi. I am a healthy teenage female. Recently I've been getting these episodes where I'm just standing up and going on with my day when all of a sudden I start feeling like I'm about to vomit (I do not vomit though, I just feel like I am). I'll get this feeling for about 5-15 minutes. Then I start feeling very weak and dizzy and I cannot support myself so I usually grab on something to lean on to make sure I don't fall. I usually have to sit down because I feel like I'm wobbly...it's the same feeling as trying to walk on a merry go round. Then I go blind (usually a few seconds or minutes after I start feeling weak and dizzy) in both of my eyes. It's like a black cloud when this happens but I can still faintly see the light. The blindness I experience is not the same as when you stand up suddenly after laying down for awhile and you start to see dots of colors. I legit go blind in my eyes. It's all black but I can see where light is coming from. The blindness lasts from 30 seconds to a minute. I also look very pale like WHITE when this happens. Afterwards I feel normal with time just a little weak. The whole episode lasts from 10-20 minutes. I went to the ER yesterday when this happened and they ran all kinds of tests but everything came back good. They only said I had high blood pressure, there was probably lack of oxygen in my brain which caused the blindness, and that I needed to see my physician and a cardiologist. My blood pressure was about 164/113 when I got there and then it went down to 130. Has this happened to anyone?????? What are the reasons for this? Why do I go blind? Why would the send me to get my brain and heart checked on
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replied March 7th, 2018
Thank you for asking at Ehealth forum!

I read your question and i understand your concern.
There are three possibilities.
It could be atypical migraine,focal seizures or vasovagal syncope.
I would suggest you to have functional MRI brain,EEG and Holter monitoring to dig out the cause.
I hope it helps. Stay in touch with your healthcare provider for further guidance as our answers are just for education and counselling purposes and cannot be an alternative to actual visit to a doctor.
Take care
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