Cyanocobalamin

Uncommon card · No. 144885

Cyanocobalamin is a form of vitamin B12 used to treat and prevent vitamin B12 deficiency except in the presence of cyanide toxicity. The deficiency may occur in pernicious anemia, following surgical removal of the stomach, with fish tapeworm, or due to bowel cancer. It is given by mouth, by injection into a muscle, or as a nasal spray. Cyanocobalamin is generally well tolerated. Oral supplements may have minor or no side effects. Minor side effects that may go away with treatment can include skin issues, diarrhea, nausea, upset stomach, and itchiness, and a burning or pain sensation on injection site. Serious side effects may include anaphylaxis. In those with severe anemia getting treatment immediately, low blood potassium, resulting in heart failure, may arise. Use is not recommended in those who are allergic to cobalt or have Leber's disease. With a standard injection (1000 mcg), a 50% to 99% of the dose may excreted, as any excess amount that the body does not need is flushed through...

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