10.1177_2049463712456355-fig2

Pain location in TACs and migraine. TACs are characterized by orbital and periorbital pain. In paroxysmal hemicrania and hemicrania continua there are large adjacent areas affected. Migraine is largely unilateral but may be bilateral in up to 30% of cases (this has been marked by a lighter-shaded area contralaterally). The two-headed arrow above the diagram indicates side shift, which occurs in specific headache. | Benoliel R. (2012). Trigeminal autonomic cephalgias. British journal of pain, 6(3), 106–123. doi:10.1177/2049463712456355

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