KatzJ, CooperEM, WaltherRR, et al.Acute pain in herpes zoster and its impact on health-related quality of life. Clin Infect Dis, 2004; 39:342–348.
2.
ZhangM, HanW, HuS, XuH. Methylcobalamin: A potential vitamin of pain killer. Neural Plast, 2013; 2013:424651.
3.
CoplanPM, SchmaderK, NikasA, et al.Development of a measure of the burden of pain due to herpes zoster and postherpetic neuralgia for prevention trials: Adaptation of the brief pain inventory. J Pain, 2004; 5:344–356.
4.
BuesingS, CostaM, SchillingJM, Moeller-BertramT. Vitamin B12 as a treatment for pain. Pain Physician, 2019; 22:E45-E52.
5.
WangJY, WuYH, LiuSJ, et al.Vitamin B12 for herpetic neuralgia: A meta-analysis of randomised controlled trials. Complement Ther Med, 2018; 41:277–282.
6.
MauroGL, MartoranaU, CataldoP, et al.Vitamin B12 in low back pain: A randomised, double-blind, placebo-controlled study. Eur Rev Med Pharmacol Sci, 2000; 4:53–58.
7.
XuG, LvZW, FengY, et al.A single-center randomized controlled trial of local methylcobalamin injection for subacute herpetic neuralgia. Pain Med (Malden, MA), 2013; 14:884–894.
8.
XuG, LvZW, XuGX, TangWZ. Thiamine, cobalamin, locally injected alone or combination for herpetic itching: A single-center randomized controlled trial. Clin J Pain, 2014; 30:269–278.
9.
WangH, LiL, QinLL, et al.Oral vitamin B(12) versus intramuscular vitamin B(12) for vitamin B(12) deficiency. Cochrane Database Syst Rev, 2018; 3:Cd004655.
