b12 injections for dementia can help Is it safe to treat an 81-year-old patient with Vitamin B12 Deficiency: Causes, Symptoms,

Possible Side Effects Potential side effects include: Nausea Vomiting Diarrhea Headache Fatigue Weakness Loss of appetite A tingling sensation in the feet or hands Redness, swelling, or bruising at the injection site In the event you feel you are in imminent danger or have signs of an allergic reaction, you should contact emergency services immediately

The MHRA Drug Safety Update on metformin and reduced vitamin B12 levels advises that B12 testing should be considered in patients who are symptomatic or who have risk factors for deficiency

Science, 197(4301), 329-332

Can vitamin B12 injections be administered in the left superior deltoid three times a week or should arms be rotated?

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