Table 1:

Diagnostic criteria for migraine from the International Classification of Headache Disorders, 3^rd edition (beta version) ⁴.

A. At least 5 attacks fulfilling criteria B-D;

B. Headache attacks lasting 4–72 hours (untreated or unsuccessfully treated);

C. Headache has at least two of the following four characteristics:

a. unilateral location,

b. pulsating quality,

c. moderate or severe pain intensity,

d. aggravation by or causing avoidance of routine physical activity (e.g. walking or climbing stairs)

D. During headache at least one of the following:

a. Nausea and/or vomiting

b. Photophobia (light-induced discomfort) and phonophobia (sound-induced discomfort)