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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 Nutritional Supplements for Your Headache Relief: Beverly Hills Migraine and Pain Management Institute: Chronic Pain Physician Headache Specialists Benefits of Vitamin B12 Shots Near Me in Oklahoma City, OK The B12 Shot: What Every Human Needs to Know About Injectable Vitamin B12
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