A member asked:

Why do b12 injections cause the stomach to bloat?

A doctor has provided 1 answer
Dr. Su Fairchild answered

Specializes in Integrative Medicine

Should not: B12 injections are not implicated in causing bloating. If you mean swelling at the injection site, that can be due to the volume, or allergic reaction to the preservative.

Answered 6/24/2014

4.7k views

Thank

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