Cyanocobalamin is a man-made form of vitamin B12 used to treat low levels (deficiency) of this vitamin. Vitamin B12 helps your body use fat and carbohydrates for energy and make new protein. It is also important for normal blood cells and nerves. Most people get enough vitamin B12 in their diet but a deficiency may occur in certain health conditions (e.g. poor nutrition stomach/intestinal problems infection cancer). Serious vitamin B12 deficiency may result in anemia stomach problems and nerve damage.
Pain/redness at the injection site mild diarrhea itching or a feeling of swelling all over the body may occur. If any of these effects persist or worsen tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have s