Migraine: Classification

Definition of migraine: International Headache Society (IHS) 2018 (after).

Migraine without aura
A At least 5 attacks that satisfy B-D
B Headache attacks last (untreated or unsuccessfully treated) 4-72 h
C At least 2 of the following characteristics:

  1. Unilateral localization
  2. Pulsating character
  3. Moderate to severe intensity
  4. Reinforcement by routine physical activity
D At least 1 of the following accompanying symptoms:

  1. Nausea (nausea) and/or vomiting.
  2. Sensitivity to light and noise (photophobia and hyperacusis).
E Not better explained by another ICHD-3 diagnosis.
Migraine with aura
A At least 2 attacks that satisfy B and C
B At least 1 of the following fully reversible aura symptoms:

  1. Visual
  2. Sensory
  3. Language
  4. Brainstem
  5. Retinal
  6. Motor
C At least 3 of the following 6 characteristics:

  1. At least 1 aura symptom develops over ≥ 5 min or at least 2 symptoms occur consecutively
  2. Two or more aura symptoms occur consecutively au
  3. Each individual aura symptom lasts 5-60 min
  4. At least 1 aura symptom is unilateral
  5. At least 1 aura symptom is positive
  6. Aura is accompanied or followed within 60 minutes by headache
D Not better explained by another ICHD-3 diagnosis.
Chronic migraine
A Headache (tension headache and/or migraine-like) on ≥ 15 days/month for >3 months that meets criteria B and C.
B Occur in a patient who has had at least five attacks that meet criteria B-D for 1.1 Migraine without aura and/or criteria B and C for 1.2 Migraine with aura
C At least one is met on ≥ 8 days/month for >3 months:

  1. Criteria C and D for 1.1 Migraine without aura.
  2. Criteria B and C for 1.2 Migraine with aura
  3. The patient believes he or she can get relief from the onset of migraine with triptan or ergot derivative.
D Not better explained by another ICHD-3 diagnosis.