arm sore after b12 injection Shots Side Effects And How To Treat Them How Quickly Does a B12

Signs and symptoms: Many common symptoms can be caused by vitamin B12 deficiency, including weakness, tiredness, lightheadedness, heart palpitations, shortness of breath, pallor (pale skin), diarrhea, decreased appetite, nerve problems like numbness or tingling, visual changes and psycho-emotional problems like depression, memory loss or behavioral changes

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Intramuscular These injections typically have better results and inject the medicine directly into the muscle, which is then absorbed by the surrounding muscle immediately

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