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A prodrome (group of symptoms that precedes a condition) can occur in the days prior to migraine. Symptoms of this prodrome can include depression, food cravings, yawning, neck stiffness, hyperactivity, irritability, confusion, diarrhea, or constipation.
Migraine, classically, is characterized by a pulsating pain that is localized to one side of the head. Other symptoms that often go along with migraine include nausea, dizziness, sensitivity to light, and changes in the vision (such as wavy lines or flashing lights).