My Kidneys are functioning at 16 %. When I stand any longer than 5 mins on my feet it feels as thou my thighs and lower back are swelling up. Then the pain in my lower back starts and nearly drops me to my knees. I have to sit immediately and wait at least 15 mins for the pain to subside. Why is this?
Is it because the kidneys aren't working? I've checked sites on Kidney damage, disease etc and can't find anything to explain this pain.
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