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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.
Retinal Migraine Symptoms: Retinal Migraine is Migraine where there are repeated attacks of visual disturbances preceding the headache phase of the Migraine attacks. A retinal Migraine attack begins with monocular (in one eye) visual symptoms that can include: scintillations (seeing twinkling lights)