Bacteriostatic water contains 0.9% benzyl alcohol as a preservative, allowing the reconstituted solution to remain safe for multiple draws over days to weeks
Its not the logical business decision
If you let it go for too long, it can cause problems in your nervous system such as: Vision problems Memory loss A pricking or numbing sensation Difficulty speaking or walking due to ataxia (loss of physical coordination) Damage to your extremities (hands, feet, arms, etc.), particularly your legs Other problems could include Infertility (this should go away with B12 treatment) Stomach cancer Bleeding and infections Damage your heart, brain, bones, and other organs in your body If you're pregnant and don't get enough vitamin B12, your baby is at risk of a serious birth defect called a neural tube defect
Many research protocols hold here for the remainder of a cycle
Nursing care: Use proper IM technique, rotate sites, educate patient on side effects and schedule
doi:10.1016/j.jaip.2021.05.046 10Krantz MS, Stone CA Jr, Abreo A, Phillips EJ