Background Episodic and chronic headaches (EH, CH) are highly prevalent disorders.
Severely affected patients are usually referred to headache centres. In Austria, at least one …

Background Recurrent and especially chronic headaches are associated with psychiatric
comorbidities such as depression and anxiety. Only few studies examined the impact of …

Primary chronic headaches cause more disability and necessitate high utilisation of health
care. Our knowledge is based on selected populations, while information from the general …

Background and purpose Chronic daily headache (CDH) is not a diagnosis but a category
that includes many disorders representing primary and secondary headaches. According to …

Background The prevalence of secondary chronic headache in our population is 0.5%. Data
is sparse on these types of headache and information about utilisation of health care and …

The classification subcommittee of the International Headache Society (IHS) has recently
suggested revised criteria for medication overuse headache (MOH) and chronic migraine …

Background Outpatient integrated headache care was established in 2005 at the Essen
Headache Centre in Germany. This paper reports outcome data for this approach. Methods …

Background and Objectives.—Although chronic daily headache, mainly transformed
migraine, is an important reason for consultation in headache clinics, its actual prevalence is …

(Headache 2011; 51: 226‐231) Objective.—To analyze the incidence and characteristics of
the first 1000 headaches in an outpatient clinic. Background.—Headache is a common …

We studied the prevalence and short-term natural course of chronic frequent headache
(CFH) in the general population and identified risk factors. In the Netherlands everyone is …