can b12 injections cause bruising Is Your Injection Site Reaction Normal or Severe? Best Vitamin B12 Injection Site:

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The Critical Role of Vitamin B12 in Health and Wellness Vitamin B12 is key for our health and wellness

Side Effects can be swelling, redness, tingling or numbness, drainage at the injection site, prolonged bleeding, and possibly some pain at the injection site

Treatment for B12 deficiency without neurological involvement: For patients with haematological manifestations only (macrocytic anaemia) or asymptomatic deficiency, the regimen is hydroxocobalamin 1mg intramuscularly three times weekly for two weeks (total of six injections), followed by maintenance of 1mg every three months for life

Combining vial remnants Some researchers wonder if they can combine leftover solution from two vials into one