why is b12 injection red Vitamin Injections: What You Need To Know why is b12 injection red

2018 Aug 1;39(4):489-517

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Previous dental or surgical procedures Tooth extractions, root canal treatments, implants, or facial surgeries may lead to nerve irritation or altered signaling, even when the procedure was technically correct

It's also important to let us know if you have any allergies (especially to cobalt or B12), or if you have Leber's disease, kidney problems, or are pregnant or nursing

Common signs include extreme tiredness, low energy, pins and needles, muscle weakness, disturbed vision, low mood, diffuse hair loss and even premature greying