vitamin b12 injections and headaches Common & Rare Side Effects of I've had a migraine since
I've had a migraine since Sept 4th. I took a B12 injection that day (prescribed by my doctor) so I'm wondering if it's related or coincidence. I'm scared to take another one Why do I feel worse after a B12 injection: causes explained What are the side effects of B12 injections? Neurological Effects of Vitamin B12 Deficiency & More
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