Migraine headache without aura has at least 5 attacks of any 2 symptoms of unilateral headache that is throbbing or pulsating in nature, moderate to severe in pain and activity aggravates pain. It is accompanied with either nausea and vomiting or photophobia and/or phonophobia. The symptoms last for 4-72 hours without signs of secondary headache.
Migraine headache with aura has at least 2 attacks with any of the fully reversible symptoms of flickering lights, spots or lines and/or vision loss, sensory symptoms of pins and needles and/or numbness and dysphasic speech disturbance but without motor weakness. Accompanied by at least 2 of the following symptoms of homonymous visual symptoms and/or unilateral sensory symptoms or at least 1 aura symptom develops gradually over ≥5 minutes and/or different aura symptoms that occur in succession over ≥5 minutes.