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by isoprophlex 490 days ago
I sometimes but not always get an aura before a migraine.

Which was pretty fun the first time i got an aura, as i was working in a chemistry lab. I described what was happening (loss of vision, flashes of light, rapidly oscillating black and white patterns) to this greybeard lab technician and within 5 minutes the entire lab was evacuated, out of fear of some weird chemical poisoning us all.