As well, some people may have allergies or medical conditions that do not allow them to be a good candidate to receive vitamin B12 shots, such as kidney problems, low potassium levels, deficiencies in other vitamins such as iron or folic acid, or just an allergy or sensitivity to vitamin B12 itself
Examples include: Lumbar punctures (spinal taps) Insertion of catheters or other medical devices In these cases, skin anesthesia is vital
seen in ~20% of RF+ patients Pulmonary involvement : interstitial lung disease (ILD), pleural effusion, pulmonary nodules, bronchiolitis obliterans Cardiac involvement : pericarditis, myocarditis, accelerated atherosclerosis, conduction abnormalities Ocular involvement : scleritis, episcleritis, keratoconjunctivitis sicca (secondary Sjgrens), uveitis (H20.x code separately) Vasculitis : digital infarcts, skin ulceration, mononeuritis multiplex, mesenteric ischemia (severe/rare) Feltys syndrome triad : RA + splenomegaly + neutropenia associated with M05.0x codes Anemia of chronic disease
ISBN 0-521-82873-2