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The term medication-overuse headache implies headache caused by overuse of medication, but overuse of acute medications is an indicator of poorly controlled headache and not invariably the cause, said expert Professor David Dodick, Phoenix, AZ, at IHC2021. In addition, optimal management requires not only withdrawal of the overused medication but also starting preventive treatment at the same time to treat the underlying primary headache.
Medication overuse headache is an indicator of poorly controlled headache
Headache for many individuals in the general population with medication overuse headache does not improve after detoxification
The International Classification of Headache Disorders, 3rd edition describes medication-overuse headache (MOH) as headache occurring on 15 or more days/ month in a patient with a pre-existing primary headache and developing as a consequence of regular overuse of acute or symptomatic headache medication (on 10 or more or 15 or more days/month, depending on the medication) for more than 3 months. It usually, but not invariably, resolves after the overuse is stopped.1
The implication of this description is that MOH results from the overuse of medication, said Professor David Dodick, Phoenix, AZ. However, overuse of acute medications is an indicator of poorly controlled headache and not invariably the cause.2,3
Withdrawing acute medications does not treat the underlying migraine
Which is the best management strategy: withdrawal, prevention or both?
Although MOH may resolve on withdrawing acute medications,1 this strategy does not treat the underlying primary headache, said Professor Dodick.
Starting preventive treatment at the same time as acute medication withdrawal, however, treats the biologic basis of chronic migraine and MOH,4 he added. And starting preventive treatment without withdrawing acute medication reduces total headache suffering more effectively than abrupt withdrawal.5
Starting preventive treatment at the same time as acute medication withdrawal treats the biologic basis of chronic migraine
Professor Dodick highlighted:
Withdrawal therapy combined with preventive medication from the start of withdrawal is recommended for MOH
Professor Dodick concluded that:
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Our correspondent’s highlights from the symposium are meant as a fair representation of the scientific content presented. The views and opinions expressed on this page do not necessarily reflect those of Lundbeck.