neurologic disorders
Medication Overuse Headache
Diagnosis of Medication Overuse Headache
Clinical criteria Rarely CT or MRI to exclude other disorders Diagnosis of medication overuse headache is clinical and is based upon the frequency of headache and use of medications to relieve it. According to the International Classification of Headache Disorders ( Diagnosis references , Headache that occurs ≥ 15 days a month in a patient with a preexisting headache disorder Regular overuse of one or more medications taken for acute treatment of headache for > 3 months (medications includeergotamine, triptans, opioids, or mixed analgesics taken ≥ 10 days a month or a single nonopioid analgesic such asacetaminophen,aspirin, or another NSAID taken ≥ 15 days/month) No other headache type that better accounts for the clinical presentation Medication overuse headache must be differentiated from the primary headache disorder, which typically causes concurrent symptoms. Rarely, CT or MRI is done to exclude other disorders. Routine neuroimaging is unnecessary. 1.Headache Classification Committee of the International Headache Society (IHS): The International Classification of Headache Disorders, 3rd edition.Cephalalgia38 (1):1–211, 2018. 2.Diener H-C, Kropp P, Dresler T, et al: Management of medication overuse (MO) and medication overuse headache (MOH) S1 guideline.Neurol Res Pract4 (1):37, 2022. doi: 10.1186/s42466-022-00200-0 