well myself im a long time migraine sufferer.i never had it checked.but i find them to be worse when im very stressed out.ithe only medication i ever took and still take is extra strenght excedrin migrain it works very well with me.i never leave my house without it
migraines can be caused by diet... certain foods can trigger them..eg. chocolate.... see your doctor to eliminate what is the cause.
CAT scan. But it could be TMJ and other teeth clenching issues which may lead to head pressure. google it =)
x-ray, cat-scan, mri? trys one
a diagnosis from a doctor.
Go to the ER and have them do a few scans of your brain.