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A 22-year-old male asked:

can vit b12 deficiency cause permanent nerve damage? if yes, how to know? is there a test or a procedure to see visually the nerve damage ?

1 doctor answer1 doctor weighed in
Dr. James Marx
Pain Management 48 years experience
Check Homocysteine: Elevated homocysteine levels are a good marker for nerve damage due to B12 and Folic Acid deficiency. Even with normal levels of these two chemicals your body may not be able to use and you need to take the methyl- varieties and can lead to functional deficiency leading to neuropathy. There is test that looks at the small fibers that get affected by these conditions and diabetes. Ask your doc.

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Similar questions

IN
A 22-year-old male asked:

Is it true that vit B12 deficiency can cause permanent nerve damage ? I have 80 pg/ml levels since 1 year.I'm now orally taking b12.

1 doctor answer1 doctor weighed in
Dr. Eric Weisman
Neurology 36 years experience
I recommend SL: You want to keep your B12 level above 350. 1.2 mg sublingually is cheap and generally effective. The problem with B12 is absorbing it 99 percent of the time.

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Last updated Jun 25, 2014
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