vitamin b12 injection site pain Store How to Give an Intramuscular of Vitamin B12 b12 injections are they painful

Some common side effects of biologics include: redness or other color changes, pain, itching, or swelling around the injection site low blood pressure hives or rash stomach pain headache fever or chills nausea cough or sore throat difficulty breathing back pain Biologics may not be safe for everyone

A sluggish thyroid, or hypothyroidism, may cause you to be deficient in vitamin B12, and the resulting vitamin B12 deficiency can further exacerbate the slow thyroid or negatively affect energy

For good reason: while high levels of folic acid have health risks of their own, low levels of vitamin B9 have been associated with cancer, stroke, heart disease, and birth defects

Usually, a high dose is given first, then a lower dose is used to keep levels up