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Medication-Overuse Headache.

Paul Rizzoli

    Continuum (Minneapolis, Minn.)
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    Summary
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    Medication-overuse headache (MOH) is a common cause of chronic daily headaches. Effective management involves stopping overused medications and implementing preventive therapies.

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    Area of Science:

    • Neurology
    • Headache Medicine

    Background:

    • Medication-overuse headache (MOH) affects 1-2% of the population, contributing significantly to disability.
    • It is characterized by daily or near-daily headaches in patients overusing acute medications for primary headache disorders.
    • MOH is closely linked to chronic migraine, often underdiagnosed and undertreated.

    Approach:

    • Review of diagnostic criteria and management principles for MOH.
    • Focus on neurophysiologic changes in MOH, including central sensitization.
    • Integration of medication withdrawal, preventive strategies, and patient education.

    Key Points:

    • MOH is a treatable secondary headache disorder causing substantial disability and reduced quality of life.
    • Neuroimaging reveals functional alterations in central pain processing and modulation.
    • Management requires addressing overused medications and initiating preventive migraine therapy.

    Conclusions:

    • Educational initiatives for providers and patients improve MOH outcomes.
    • Successful treatment involves a combination of pharmacologic and non-pharmacologic interventions.
    • Addressing MOH is crucial for reducing the global burden of headache disorders.