vitamin b12 injection im Cyanocobalamin 1000 mcg — Mountainside Medical Treating Severe Vitamin B12 Deficiency

[20] Treatment of megaloblastic anemia with concurrent vitamin B 12 deficiency using B 12 vitamers (including cyanocobalamin), creates the possibility of hypokalemia due to increased erythropoiesis (red blood cell production) and consequent cellular uptake of potassium upon anemia resolution

White blood cells are essential for fighting infections, so low B12 can leave you vulnerable to illness

The Journal of Clinical Endocrinology and Metabolism

Butaphosphan in combination with Cyanocobalamin (Vitamin B12) acts as a metabolic stimulant, roborant, and tonic

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