Vitamin B deficiency, other than B12, is rare. Pyridoxine (vitamin B6) deficiency may occur during isoniazid treatment.
For vitamin B supplementation in alcohol dependence. See Chapter 4.Drugs Used in Substance Dependence (Vitamin Supplementation).
Vitamin B compound or compound strong preparations are not recommended for prescribing. In patients receiving dialysis, water soluble vitamins like vitamin B are dialysed out and a supplement should be used.