can b12 injections cause bloody nose Vitamin Injection Side Effects and Safety Vitamin B12 shots: Uses, benefits,

Following any kind of intramuscular injection, it is possible for soreness, numbness, redness, itching, or bruising to develop at the injection site

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It was taken into human obesity trials in the 2000s and was never approved for obesity anywhere

Treatment considerations include: Concurrent folate supplementation if deficient (never give folate alone, as it may precipitate neurological deterioration) Potassium monitoring during initial treatment in severe anaemia or at-risk patients (e.g., those with heart failure) Response assessment: reticulocyte count peaks at 57 days, haemoglobin normalises within 68 weeks Neurological symptoms may take 612 months to improve and may not fully resolve Patients should be advised that treatment for pernicious anaemia or post-surgical deficiency is lifelong