can b12 injection cause headache Vitamin shots: Uses, benefits, and side effects 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 Headaches and exhaustion after B12 Pernicious Anaemi Do weekly B12 injections cause side effects? Headache after b12 intake : r B12_Deficiency
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