headaches after b12 injections I've had a migraine since Sept 4th. I took a injection that day (prescribed by my doctor) so I'm wondering if it's related or coincidence. I'm scared to take another one Feeling worse after B12 Injection:
Description
Are there any side effects from B12 injections
Fill a couple of milliliters of air into the syringe
Inspect the skin
2021;9:e04103
Its essential for producing myelin, the protective coating surrounding nerve fibers that enables efficient nerve signal transmission
