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Kew Gardens, NY
A 37-year-old male 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?

1 doctor answer1 doctor weighed in
Dr. Sameer Gupta
Medical Oncology 19 years experience
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.
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Last updated Jun 24, 2014

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