headaches and b12 injections Headache: The Link Between Vitamin B12 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 Vitamin B12 deficiency can cause symptoms like headaches, fatigue, depressive mood, gastrointestinal issues, and more. While vegetarians are at a higher risk of vitamin B12 deficiency, it can affect non vegetarians too. Check Headache After B12 Shot: Why It Happens & What to Do Vitamin B12 Injection Side Effects and Safety
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