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A member asked:
Advised by neuro take 1000 mcg of b12, lab showed level of 359 which fell from 539 6 mo ago. itching today after 5dys. will it stop if i discontinue?
A doctor has provided 1 answer
Rare but possible: Typically oral vitb12 tablets do not cause itching but the only way to find out is to stop and see what happens. Vitamin B12 injections is an alternative.
Answered 6/24/2014
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