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One study had people on doses as high as 2,000 micrograms with no side effects

Why Does My B12 Shot Schedule Change to Monthly

Video Tips For children, or anyone needing a painless injection, use Emla, a topical anesthesia held in place with a Tegaderm patch for half an hour before the injection.Thanks Try drawing up a bit on the syringe to check for blood while the syringe is in before you put in the medication, if blood comes up into the syringe then take the needle out and if possible redraw your dose

I usually inject this to my husband All the time

The pH of the solution, which can vary within acceptable ranges, affects the apparent color