can i take b12 injection Are Shots Safe? Royal Palm Beach Medical Group How to Give a B12

Low levels of B12 can make you feel weak and cause anemia, loss of balance, and numbness or tingling in the arms and legs

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However, you should: Call 999 or go to A&E immediately if you experience signs of a severe allergic reaction (difficulty breathing, severe throat/facial swelling, or collapse) Contact your GP if you experience a rash, itching, persistent pain at the injection site, or worsening neurological symptoms despite treatment If you suspect any side effects from your B12 injections, you can report them through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk)

Anyway let me know Yeah it's insane how long it stays in your body

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