The International Headache Society (IHS) has established criteria for migraine diagnosis: both migraine with aura and migraine without aura.
Migraine with aura:
(1) At least 2 attacks.
(2) At least 3 of the following 4:
(1) One or more fully reversible aura symptoms, manifested by focal neurological dysfunction that can be clearly identified in the cerebral cortex and/or brainstem.
② At least one aura symptom occurs gradually for more than 4 minutes (usually 5-20 minutes), or two or more aura symptoms occur consecutively.
③The duration of aura symptoms is usually less than 60 minutes, but if there is more than one aura symptom, the duration of symptoms will increase accordingly.
(4) Headache, nausea and/or photophobia occur after the aura with an interval of less than 60 minutes, and the headache usually lasts 4 to 72 hours (headache may occur before or at the same time as the aura).
(3) Exclude other causes of headache.
Migraine without aura:
(1) At least 5 attacks.
(2) Headache attacks lasting 4 to 72 hours, or 2 to 48 hours in children younger than 15 years of age.
(3) The headache has at least 2 of the following characteristics:
①Limited to unilateral.
(ii) throbbing pain.
(3) Moderate or severe in severity (restriction or cessation of daily activities).
(4) Aggravated by stair climbing or other similar daily physical activities.
(4) The headache period has at least 1 of the following:
(i) Nausea and/or vomiting.
② photophobia and phonophobia.
(5) Exclude other causes of headache.