oa SA Pharmaceutical Journal - Rebound headaches : clinical
Extracted from text ... 47 SA Pharmaceutical Journal - May 2006 CLINICAL Reprinted with permission from CME July 2005 Vol. 23 No. 7 In the 1988 International Headache Society (IHS) classification, drug-induced headache is defined as: ? headache appearing at least 15 days a month ? headache induced by the regular intake of analgesics, ergot alkaloids ? headache disappearing after withdrawal of substance. The term drug-induced headache has now been changed to medication-overuse headache in the new IHS classification. In the new classification it is required that the headache should worsen or increase in frequency during symptomatic medication overuse. Chronic headaches with medication overuse ..
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