No evidence is cited. No evidence is cited. Use modified criteria of the International Headache Society, and a semi-structured interview technique to improve reliability of diagnosis.
Physical examination is recommended.
Investigations such as EEG, CT, MRI, and lumbar puncture are not recommended in the routine evaluation of patients with headache but may be useful where some atypical symptoms are present. No evidence is cited. No evidence is cited. A range of medications is considered according to the severity of the attack. Choice is often individual and idiosyncratic.