The two most important factors that most distinguished the migraines from headaches with a secondary condition were high blood pressure (largely because so many were hypertensive disorders of pregnancy) or not having a history of headaches.
Madhara hayo ni pamoja na; Harufu mbaya mdomoni ambayo hutokana na kemikali ya AMS (allyl methyl sulfide). Harufu mbaya hii, hata hivyo, yaweza kupunguzwa kwa kunywa maziwa au kunywa maji mengi.