My own clinical practice is usually a trial of oral replacement initially, checking levels as per the monitoring advice below, and switching to intramuscular replacement where indicated
Before we get into the common reasons for these side effects or triggers from B12, let's look at the
Zhang, C., Wu, W., Li, X., Xin, X
Furthermore, gastrointestinal issues may complicate nutritional absorption, and certain medications can interfere with red blood cell production
Notice: Please note the packaging of cyanocobalamin (vitamin B12) 1000mcg/ml injectables has changed
Most importantly, anyone who has signs and symptoms of a vitamin B12 deficiency or pernicious anemia should consult a doctor