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What Causes Numb Feet Post Vitamin B12 Withdrawal?

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Posted on Wed, 18 Mar 2015
Question: Hi, I have MS and stopped taking B12, doctors orders. Since then my feet have gone numb and my feet and ankles are very swollen. Could the lack of B12 have anything to do with this?
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Answered by Dr. Panagiotis Zografakis (32 minutes later)
Brief Answer:
B12 has nothing to do with it

Detailed Answer:
Hello,

B12 is a vitamin that accumulates in the body and won't disappear immediately after stopping taking it. Besides that, lack of B12 is not supposed to cause swellings. Since you've mentioned MS, have you taken any corticosteroids?
Corticosteroids may cause sodium and water retention, which in turn may cause your feet and ankle to swell.

I hope you find my answer helpful!
If you'd like to continue this discussion, please use your follow-up questions.

Kind Regards!
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Panagiotis Zografakis

Internal Medicine Specialist

Practicing since :1999

Answered : 3817 Questions

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What Causes Numb Feet Post Vitamin B12 Withdrawal?

Brief Answer: B12 has nothing to do with it Detailed Answer: Hello, B12 is a vitamin that accumulates in the body and won't disappear immediately after stopping taking it. Besides that, lack of B12 is not supposed to cause swellings. Since you've mentioned MS, have you taken any corticosteroids? Corticosteroids may cause sodium and water retention, which in turn may cause your feet and ankle to swell. I hope you find my answer helpful! If you'd like to continue this discussion, please use your follow-up questions. Kind Regards!