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sore arm after b12 injection B12 Shot Guide: Benefits, Dosage & Side Effects arm hurts after b12 injection
Description
Seek medical attention if you experience severe pain that doesn't improve within a day or two, signs of infection (increasing redness, warmth, swelling, or discharge), severe or spreading bruising, numbness or severe pain radiating from the injection site, or fever and chills after your injection

The Recommended Daily Allowance The recommended daily allowance of vitamin B12 depends on many factors such as your age, medications you take, medical history, and your eating habits
How Bioavailable Are Oral Vitamins

The top of a BD rubber stopper is flat so that it's easy to line up with the scale marks
