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vitamin b12 injection when pregnant at a Licensed Pharmacy How to Give a B12
Description
Hernndez, C., & Rangel, H
Zeljko Kojadinovic, MD, PhD Neurosurgeon and Pain Management Specialist Last medically reviewed: June 07, 2026 Who this page is for This page is for patients with postherpetic neuralgia (PHN) who continue to have persistent pain despite multiple treatments or medications
Depending on the individual, they start working within 48 to 72 hours of the first dose, but they might take three months to completely correct a B12 deficiency
[DOI] [PubMed] [Google Scholar] 70.Kwong AKY, et al
Data Sources : A PubMed search was completed using the key terms vitamin B 12 deficiency and cobalamin deficiency
