[Clinical condition and treatment of combined headache]

Coexistence of migraine with tension-type headache, that is, so-called combined headache is a disabling chronic headache disorder and is often seen in daily practice. Combined headache is a common disease, but it is not so easy to do an accurate diagnosis and adequate treatment because clinical spectrum is wide. For clinician, it is especially important to understand characteristics of patient's headache enough to diagnose correctly by using such as a headache diary and, to educate patients to differentiate between migraine and tension-type headache in order to select the right treatment and to prevent medication-overuse headache.