pfizer hospira bac water Bacteriostatic 30mL Sterile Water for Injection contains no bacteriostat antimicrobial agent or added buffer and is intended only for single dose injection after admixture with an appropriate aolute or solution About - Bacteriostatic Water Lab

This isn't just about following directions

[2] Patients should contact their GP if they experience: Side effects from B12 injections (though these are rare and usually mild) Difficulty attending scheduled injection appointments, as missed doses may lead to symptom recurrence New symptoms developing during treatment Concerns about treatment effectiveness or duration Changes in other medications that might affect B12 absorption Suspected adverse reactions to B12 treatment can be reported through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk)

Nonetheless, administering a VEGF-upregulating compound to individuals with diagnosed or undiagnosed malignancies remains contraindicated based on precautionary clinical reasoning

Follow the storage guidelines on the packaging and consult your pharmacist or physician if unsure