i find that avoiding triggers in any large number is important (for me red wine, peanuts, coffee, etc), that sleep is extremely importantant, lighting in your house should be soft and adequate but not too ample, etc.

limiting stress and exposure to crappy air is important, too. if you smoke herb, smoke some sativa at the onset. products like butterbur, feverfew and excederin migraine work at various stages (first for prevention, second for early onset, third for intervention) but if you've got a severe one, you might be in trouble anyway.

i find that a little bit of ginger covered in dark chocolate at the very onset is a good way to avoid taking any drugs or vitamins sometimes.

overall i have controlled mine pretty well, they went from a constant interruption in life to a rather intermittent one. i get maybe one a year that really drops me now.