That extra step can prevent confusion between micrograms, milliliters, and total vial contents
J Biol Chem 277 : 5037350379 Choong NW, Ma PC, Salgia R (2005) Therapeutic targeting of receptor tyrosine kinases in lung cancer
Seeing that sort of experience, even for a doctor, stays with you, says Heber
Intramuscular B12 shots can sting quite a bit, which is unfortunate, because it discourages some people from self-injecting
There are no other absolute contraindications reported for hydroxocobalamin use in deficiency states, but caution is advised in individuals with conditions such as early Lebers optic neuropathy (a rare hereditary optic atrophy) due to the theoretical risk of worsening vision