Alternative diagnostic criteria:
A. At least two attacks fulfilling criteria B and C
B. Aura consisting of visual, sensory and or speech/language symptoms, each fully reversible, but no motor, brainstem or retinal symptoms
C. At least three of the following six characteristics:
1. at least one aura symptom spreads gradually over ≥5 min
2. two or more aura symptoms occur in succession
3. each individual aura symptom lasts 5-60 min1
4. at least one aura symptom is unilateral2
5. at least one aura symptom is positive3
6. the aura is accompanied, or followed within 60 min, by headache
D. Not better accounted for by another ICHD-3 diagnosis.
1. When for example three symptoms occur during an aura, the acceptable maximal duration is 3×60 minutes.
2. Aphasia is always regarded as a unilateral symptom; dysarthria may or may not be.
3. Scintillations and pins and needles are positive symptoms of aura.