how long do you take vitamin b12 injections and Weight Loss: Does it Work? How Long Do the Benefits

Vitamin B12 shot side effects Most people tolerate vitamin B12 injections well, but possible side effects include: Mild: soreness or redness at injection site, mild diarrhea, nausea, headache, itching Rare but serious: allergic reactions (rash, swelling, difficulty breathing), low potassium (hypokalemia), dizziness or heart rate changes Get emergency medical help if you have signs of an allergic reaction to Vitamin B12: hives

Plus, it might be helpful to note that you do not have the needle in place for the entirety of the treatment session

Sometimes the face is swollen slightly

Once your vitamin B12 deficiency is stabilized, injection frequency can often be reduced

Ermens, A

It is contraindicated in patients with certain mitochondrial disorders, porphyria, or fatty acid oxidation deficits