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Medication-overuse headache in patients with cluster headache
K Paemeleire1, A Bahra, S Evers
1Headache Group, Institute of Neurology, Queen Square, London, UK.
Neurology
|July 13, 2006
Summary
Medication-overuse headache (MOH) is an underrecognized issue in cluster headache (CH) patients. Early recognition and medication withdrawal can successfully treat MOH in CH, particularly in those with a history of migraine.
Area of Science:
- Neurology
- Headache Medicine
Background:
- Medication-overuse headache (MOH) in cluster headache (CH) patients is not well-documented.
- CH has a relatively low prevalence, potentially contributing to underreporting of MOH.
Purpose of the Study:
- To describe the characteristics and outcomes of MOH in a series of CH patients.
- To highlight the importance of monitoring CH patients for MOH.
Main Methods:
- Retrospective case series of 17 patients with CH who developed MOH.
- Analysis of medication overuse patterns (analgesics, caffeine, opioids, ergotamine, triptans) and clinical features.
- Inclusion of both episodic and chronic CH subtypes.
Main Results:
- MOH was associated with overuse of various medications, notably triptans and opioids.
- MOH presented as a daily, featureless headache in some patients, and with associated features like nausea or throbbing pain in others.
- A significant proportion of patients (15/17) had a personal or family history of migraine.
Conclusions:
- MOH is an underrecognized but treatable complication in CH patients.
- Careful monitoring of CH patients, especially those with a migraine history, is crucial for identifying and managing MOH.
- Medication withdrawal was successful in most attempted cases.