U.S. doctors online nowAsk doctors free
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.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jun 24, 2014


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.