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A member asked:
I have to eat about 10 grams of salt/day to keep my blood pressure up.no known causewhen i need salt, i crave it,am dizzy, &my brain feels swollen. after eating handful of salt & bunch of fluids,i feel better. could my brain be swelling at that time?
A doctor has provided 1 answer
Orthostatic hypotension due to depletion of circulating blood volume, causes salt craving as salt helps to retain fluid within the circulation and therefore allows blood to reach the brain and also maintains blood pressure. Check blood pressure and heart rate laying down and then standing up - blood pressure drop with heart rate increase suggests autonomic nervous system dysfunction aka POTS.
Answered 5/15/2021
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