Children presenting neurological signs or symptoms, those unable to take oral medication, individuals with known malabsorption syndromes, infants under 6 months old, and patients using medications that may interfere with vitamin B12 absorption are typically treated with a parenteral protocol (1)
Common side effects include mild pain, redness, or swelling at the injection site
The most common B12 subcutaneous injection sites are the following: The upper arm To self-administer a B12 injection into the arm, pinch a thick skin layer of the side or back of the upper arm and insert the needle at a right angle
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This guide gives you the knowledge and confidence to take on this health-boosting task independently
A healthcare professional should administer your first shot so they can monitor your reaction and check for any adverse effects