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My headaches are just a tad bit different. Mine get REALLY bad right before I have a seizure. And they're only on the left side. The seizures I have aren't grand mals, so they're not really severe. They last relatively 25-40 seconds. I've never had one over a minute, thank the heavens! But I can relate with the headache easing up, and then having another seizure...It bites!