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Complementary Medicine

B12 Injections After Kidney Removal



I was wondering if it is safe to take B12 injections after having your kidney removed. I had cancer and so far no return of it. I did not need chemo or radiation as the cancer was encapsulated in the kidney...I am anemic right now pretty badly and the Primary Care Doctor wanted to start B12 injections right away...Please let me know if this is safe with just one kidney..Thank you so much..


Yes, vitamin B12 injections can be safely administered in a patient with a single kidney, and is also OK to use in kidney failure.

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Response by:

Thomas   Zipp, MD Thomas Zipp, MD
Assistant Professor of Medicine
School of Medicine
Case Western Reserve University