A member asked:

When i stand up i get a horrible pressured like headache, with blacked out vision, and jolts in my neck. what could this be?

4 doctors weighed in across 2 answers
Dr. Robert Grindstaff answered

Specializes in Addiction Medicine

With the history: of headache and blacked out vision you need to go to the ER ASAP.

Answered 11/21/2014

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Dr. Maulik Shah answered

Specializes in Clinical Genetics

Autonomic dysfunctio: The symptoms you describe correspond to lack of appropriate blood pressure response and blood flow to the brain when changing position. This can be due to a number of causes including blockages of arteries in the neck. Vasculitis, Arteritis can also be considered. These tend to be more diseases of the elderly. At 19, it may be due to dehydration or autonomic dysfunction for you. See a Doctor

Answered 10/24/2016

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