B12 Injections For Pernicious Anaemia B12 injections are especially helpful for patients with pernicious anemia, an autoimmune condition that prevents the stomach from absorbing B12
It helps quickly fill up your vitamin B12 levels and can be very important in emergency situations
Advantages of oral form over IM injection: Less nursing time on injections Less complexity of care Less discomfort/pain Less bleeding in patients who take anticoagulants Less costly according to some analyses Disadvantages of oral form over IM injection:: Greater risk of non-compliance In 1991, a survey done on Minneapolis internists led one commentary to conclude that oral vitamin B 12 replacement for pernicious anemia was one of medicines best kept secret. 18 In 1996, when the survey was repeated again in the same area, awareness and use of oral vitamin B 12 for pernicious anemia had increased substantially (019%), but the majority of doctors still remain unaware of this treatment option (61%)
References Neelakantan H, Vance V, Wetzel MD, et al
Vitamin B12 injections are medically necessary for patients with pernicious anemia, severe malabsorption syndromes, post-bariatric surgery absorption failure, or critically low B12 levels with neurological symptoms