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what is the best way to give a b12 injection How self-inject intramuscular vitamin - Overview How Long Does It Take
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[PubMed Citation] Children Cyanide poisoning: usual dose - 70 mg/kg IV over 30 minutes as a single infusion

Some individuals report developing acne after starting B12 supplements or injections, raising questions about this potential side effect

Well mostly

How Long Does the B12 Shot Last
enlarged anterior or posterior fontanelles of the ventricles of the brain and flat, bowed or large ribs at skeletal examination

For instance, injecting in the same spot repeatedly can lead to tissue damage and irritation, which is why a skilled professional will always rotate injection sites