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The same dose in milligrams can require a different number of units if the medication concentration changes
How often can I receive a vitamin B12 injection
Use Vitamin B12 exactly as prescribed by your doctor
If youre enrolled in Medicare, these shots will be covered by Part B if you have them at a doctors office or a clinic or Part A if you get them while hospitalized
Lower concentrations (5mg/ml) require larger injection volumes but offer more precise small-dose measurement
[6] There are 4 common injection sites for administering B12, but you'll want to discuss what's best for you with your doctor
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