Generic name: cyanocobalamin (injection) [ sye-AN-oh-koe-BAL-a-min ]
Brand names: Vitamin B12, Vitamin B-12
Drug class:Vitamins
What is Vitamin B12?
Vitamin B12 is a man-made form of vitamin B12.
Vitamin B12 is important for growth, cell reproduction, blood formation, and protein and tissue synthesis.
Vitamin B12 is used to treat vitamin B12 deficiency in people with pernicious anemia and other conditions.
Warnings
You should not use Vitamin B12 injection if you are allergic to cobalt, or if you have Leber's disease.
Before taking this medicine
You should not use Vitamin B12 if you are allergic to cyanocobalamin or cobalt, or if you have Leber's disease (an inherited form of vision loss). Cyanocobalamin can lead to optic nerve damage (and possibly blindness) in people with Leber's disease.
To make sure this medicine is safe for you, tell your doctor if you have:
eye problems or Leber's disease (in you or a family member);
kidney or liver disease;
iron or folic acid deficiency;
any type of infection; or
if you are receiving any medication or treatment that affects bone marrow.
Tell your doctor if you are pregnant or breastfeeding. Your dose needs may be different during pregnancy or while you are nursing.
How is Vitamin B12 injection given?
Use Vitamin B12 exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets.
Vitamin B12 injection is injected into a muscle or under the skin. A healthcare provider may teach you how to properly use the medication by yourself.
Your dose needs may change if you become pre...
