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Body weight-based dosing around 4-6mcg per kilogram provides individualized starting points

Though not frequently used, the Schilling Test is performed to check how well a patient absorbs B12 within the intestinal tract

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The main practical risks are: Injection-site soreness, bruising or mild redness , which settles within a day or two

[1] If the solution is drawn into a syringe for injection, it should be administered promptly for the same reason (avoid leaving the filled syringe exposed to light for long)

[10] This draws air into the syringe which prevents a vacuum from forming when you push the plunger in the next step