vitamin b12 injection flushing warmth side effect Effects, What They Mean and More Hallandale Understanding B12 Injection Reactions,

Adverse Reactions/Side Effects Generalized: Anaphylactic shock and death have been reported with administration of parenteral vitamin B 12 (see WARNINGS)

However, the problem with a blood test is that it doesnt always show deficiencies in time, there can actually be a delay in the start of B12 deficiency and that showing up in the blood

For patients with severe symptoms, treatment starts with 1000 mcg injected intramuscularly once daily for 7 days, then the frequency can vary to 1-3 times weekly for 4-8 weeks

Side effects are rare and usually mild, such as slight redness at the injection site

How long does it take to see results from AOD 9604