Introduction: Headache is a very diverse and common condition. Headache is a common cause of intervention by Emer-gency Medical Services Teams. It can be generally described as any pain that occurs within the skull. The headache can be sud-den as well as gradually increasing. They may occur for a short period of time or be long-lasting, they may manifest themselves cyclically or in a specific situation (e.g. effort, stress) and they may be single episodes.
Aim of the study. The aim of the study was to present the most common forms of primary and secondary headache, selected issues from the epidemiology of these ailments.
Selection of material. The search was conducted in the Scopus database using the terms primary and secondary headache, epi-demiology of headache, migraine, tension type pain 1996-2018. The literature found in the Google Scholar database was analysed for the highest number of quotations. The literature selected in this way was used as a material for the development of this paper.
Conclusions. Headache is usually caused by more than one fac-tor. In the case of primary pain, the trigeminal system, i.e. the innervation of intracranial vessels and the dura mater by the tri-geminal nerve, has the greatest influence on the discomfort experienced