b12 injection triggers migraine B vitamins causing migraines? : r/migraine 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 Headache After B12 Shot: Why It Happens & What to Do Environmental Chemicals Can Trigger Migraine Signaling Migraine Science Collaborative Understanding the B12 Vitamin Shot: Benefits, Risks, and Dosage Guide People with low B12 are up to 5x more likely to have migraines. Vitamin B12 helps control nitric oxide, a cause of migraine." : r migraine
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