• Espen Saxhaug Kristoffersen and Christofer Lundqvist.
• Research Centre, Akershus University Hospital, Lørenskog, Norway ; Department of Neurology, Akershus University Hospital, Nordbyhagen, Norway ; Department of General Practice, Institute of Health and Society, University of Oslo, Oslo, Norway.
• J Pain Res. 2014 Jan 1; 7: 367-78.

AbstractMedication-overuse headache (MOH) is a worldwide health problem with a prevalence of 1%-2%. It is a severe form of headache where the patients often have a long history of headache and of unsuccessful treatments. MOH is characterized by chronic headache and overuse of different headache medications. Through the years, withdrawal of the overused medication has been recognized as the treatment of choice. However, currently, there is no clear consensus regarding the optimal strategy for management of MOH. Treatment approaches are based on expert opinion rather than scientific evidence. This review focuses on aspects of epidemiology, diagnosis, pathogenesis, prevention, and treatment of MOH. We suggest that information and education about the risk of MOH is important since the condition is preventable. Most patients experience reduction of headache days and intensity after successful treatment. The first step in the treatment of MOH should be carried out in primary care and focus primarily on withdrawal, leaving prophylactic medication to those who do not manage primary detoxification. For most patients, a general practitioner can perform the follow-up after detoxification. More complicated cases should be referred to neurologists and headache clinics. Patients suffering with MOH have much to gain by an earlier treatment-focused approach, since the condition is both preventable and treatable.

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