injection instructions for methyl-b12 shots B12 at Home: How, Where & How Often to Inject Yourself How to self-inject intramuscular vitamin

A normal result is useful too

Call your health care provider immediately if you are experiencing any signs of an allergic reaction: skin rash, itching or hives, swelling of the face, lips, or tongue, blue tint to skin, chest tightness, pain, difficulty breathing, wheezing, dizziness, red, swollen painful area on the leg

The reason is that if it is injected into veins a portion of the shot may pass out of the body through urine

B12 injections have been shown to support memory, mood, cognition, depression, anxiety, and certain nerve-related pain such as low back pain and post-herpetic neuralgia (shingles)

Regular monitoring may be appropriate, especially if symptoms of deficiency develop