four to 12 hours then its probably a trigger quicklist 10category 10 foods that may trigger a migrainetitle chocolateurltext this ones tricky chocolate hasnt been substantiated as a true migraine trigger says dr peterlin while people may believe that chocolate is the culprit behind their headaches some experts think that the reverse is actually truethat the craving for sweets is a symptom of an oncoming migraine not the cause of it according to the 2012 review by researchers in brazil people in the earliest stages of a migraine attack can experience chocolate cravings but that the food itself isnt responsible for the headache but because it can be hard to tell which is which dr klebanoff says that its still on her list of potential migraine triggersand something that people should be aware of this article originally appeared on healthcom