headaches after b12 injections Why do I feel worse a injection? 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 How Often Should You Get B12 Injections? Infusion For Health B12 Headache: The Link Between Vitamin B12 and Headaches Why do I feel worse after a B12 injection: causes explained
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