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IV Fluids and Intracranial Hypertension - Helpful or Unhelpful?


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I distinctly remember a while back of members talking about Iv fluids and intracranial hypertension however I can't seem to find what I'm looking for. If I remember correctly they said that IV fluids help POTS patients and can also help lower the high pressure on the brain. It has something to do with the way the blood pressure gets equalized with the fluid mechanics of the body. Is this correct? Or could iv fluids make intracranial pressure worse? Because my first inclination was that since fluids raise blood volume it would then make any pressure on the brain worse by increasing the fluid volume in the brain as well. However I could be totally wrong. Does anyone have any more insight into this?

I've been wondering because I've been having high pressure headaches along with low blood pressure as of lately. I always feel better with iv fluids if I get enough of them but have been fearing that it could raise the pressure in my head even more due to the influx of more fluid. However if it equalized everything out that would be great. I looked up some studies online and I believe they say it does help normalize the CSF pressure on the brain but this was with traumatic brain injury patients. Not sure if it applies to people with orthostatic intolerance and intracranial hypertension. Just wondering what your thoughts are. 

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