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Should you still administer the B12 injection
Draw air into your syringe equal to the dose volume, insert the needle into the vial, push the air in, then invert the vial and draw your dose
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Hypersensitivity to cobalt (present in B12)
Preventing Unsafe Injection Practices: aseptic preparation, new sterile needles and syringes, multi-dose vial handling, and discard guidance
Regular sterile water has no preservative, so the vial must be used within 24 hours
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