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Blood 82(10 Suppl 1):650a, 1993
doi: 10.1016/j.tiv.2015.04.019 94
Report any signs of allergic reaction, since serious reactions have been reported with injected vitamin B12
These side effects usually ease within the first couple of weeks as your digestive system becomes more accustomed to the treatment
You'll start on a dose of 0.8 milligrams, but it also comes in doses of: 2.5 mg 5.5 mg 9 mg 14.5 mg 17.2 mg Approved for long-term use
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