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For intramuscular injections, the common sites for B12 injections are the arm, upper buttocks, and thigh
Place the vial in the refrigerator for 30 minutes then try gentle swirling again
A negative result is strong support to stop empiric vancomycin or linezolid
Once-weekly subcutaneous injection, escalated in phases from 0.25 mg up to ~4.5 mg
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Both bottles contain 1000 mcg/mL
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