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KMID : 0614720210640120843
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Journal of Korean Medical Association
2021 Volume.64 No. 12 p.843 ~ p.851
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Comprehensive approach for the treatment of medication-overuse headache
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Park Hong-Kyun
Cho Soo-Jin
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Abstract
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Background: Medication-overuse headache (MOH) is defined by the International Classification of Headache Disorders as a headache in patients with a pre-existing primary headache disorder that occurs on 15 or more days per month for more than 3 months. It is caused by overuse of medication for acute or symptomatic headache treatment. Regular and frequent use of acute or symptomatic medications can worsen headaches and lead to chronic headache or MOH. MOH is a burdensome medical condition that is difficult to treat, and the frequent recurrence of headaches may result in disability in individuals and impair socioeconomic outcomes.
Current Concepts: Awareness of MOH and the education of patients, the general population, and healthcare providers are important for the first step of treatment. Scientific research regarding the treatment of MOH has been published in the past few years.
Discussion and Conclusion: Physicians should educate and counsel patients to stop or at least reduce the intake of acute or symptomatic medications that can be discontinued abruptly or tapered slowly. During the period after the discontinuation of the overused medications, some withdrawal symptoms including headache might be manageable with bridging therapy. Evidence-based preventive therapies including anticonvulsants (topiramate and divalproex sodium), botulinum toxin A, and medications acting by antagonism of the calcitonin generelated peptide pathway might be helpful in patients with MOH for both avoiding the overused medication and preventing the relapse of overuse. A comprehensive and multidisciplinary approach may improve the outcomes of patients with MOH.
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KEYWORD
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Headache disorders, Medication overuse headache, Treatments
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