You might not realize you're in the prodromal phase until you've passed it. Learn why this is, and what it means for your headache.
Transcript: The premonitory—or prodromal—phase provides advanced warning that a migraine attack is coming. Starting several hours to a couple DAYS before the headache pain begins, a person experiences INEXPLICABLE changes in mood, behavior and energy levels. They can also have constipation, diarrhea, increased urination, uncontrollable yawning or food cravings. The symptoms of a prodromal phase vary widely, but they ALL have one thing in common—they signal that a migraine attack is coming. Sometimes, a migraine sufferer will SKIP this phase. Other times, the symptoms are so subtle that they’re only identified in RETROSPECT. More »