This might sound weird, but I can often stop the headache from happening after getting aura by doing pushups or running on the spot to get some blood/adrenaline

This might sound weird, but I can often stop the headache from happening after getting aura by doing pushups or running on the spot to get some blood/adrenaline flowing and/or drinking a coke (I never drink coke normally). Sometimes it doesn't work, but mostly it does.