where do you have a vitamin b12 injection Best Sites How to Give B12 Injections

While vitamin B12 injections are generally safe, some people may experience mild or temporary side effects: Redness, swelling, or mild pain at the injection site Dizziness or lightheadedness shortly after the B12 energy shot Nausea or upset stomach in rare cases Mild fatigue or feeling tired right after the vitamin injection Headache or brain fog (usually temporary) Mild fever Allergic reactions (rare) rash, itching, or shortness of breath Low potassium levels (very rare, but can happen with frequent vitamin shots in deficient individuals) Ready to Feel Like Yourself Again

WikiHow was the first link that popped up and I pressed on it

I had to have b12 this morning and asked nurse which arm she injected last time (one month ago) and it was the left arm

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If pernicious anemia is suspected, intrinsic factor antibodies should also be tested

Show Answer Vitamin injections are often discussed as medication delivery, not a meal