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IM Injections On the other hand, IM injections deliver nutrients deep into the muscle, where they're absorbed more slowly into the bloodstream
DOI: 10.1007/s11095-009-0045-6 United States Pharmacopeia
PMID: 862769
Common side effects include, but may not be limited to: pain or redness at the injection site mild diarrhea pruritus (itching) increased swelling joint pain dizziness headache nervousness or anxiety Serious side effects may include: allergic reactions peripheral vascular thrombosis hypokalemia (low potassium levels) pulmonary edema (fluid build-up around or in the lungs) thrombocytosis congestive heart failure There have been reports of anaphylactic shock and death after the parenteral administration of vitamin B12
Liver disease is a significant cause of elevated B12
No pharmacokinetic or pharmacodynamic interaction studies exist for the combination
