You might feel a slight pinch or sting during the injection, but this usually goes away quickly
doi: 10.1097/00000542-200312000-00027
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Early treatment with intramuscular hydroxocobalamin is essential to prevent permanent complications, though established neuropathy may not fully recover even with treatment
Adolescents aged 1114 years require 1.2 mcg per day , reflecting increased demands during puberty and rapid growth
Sources Vitamin B12 - Consumer | National Institutes of Health VITAMIN B12: Overview, Uses, Side Effects, Precautions, Interactions, Dosing and Reviews | WebMD Article Vitamin B12 Deficiency: Causes, Symptoms, and Treatment | WebMD Living longer isnt enough if you dont feel your best