b12 injection side effects urine Vitamin B12: All You Need to Know B12 Shots & B12 Injections:

Patient safety advice includes educating individuals about the lifelong nature of treatment for pernicious anaemia and the importance of not discontinuing therapy, even when feeling well

red blood cell testing Some blood tests help detect vitamin and mineral deficiencies by measuring the concentration of a particular micronutrient in a component of human blood---typically in the plasma, serum, or red blood cells (RBCs)

Side Or Back Of Upper Arm When injecting into the side or back of the upper arm, pinch the skin and inject the needle at a 45-degree angle

Always use a new, sterile needle and syringe for each injection

NHS treatment guidance describes a loading course followed by maintenance injections every two to three months for many people, while a diet-related deficiency may need less

Pernicious anaemia (an autoimmune condition affecting B12 absorption) is a common cause of B12 deficiency that requires specific testing for anti-intrinsic factor antibodies