A headache disorder with shortlasting, frequently occurring (6-18/24 hours) head pain attacks is reported. The pain is excruciatingly severe, unilateral (always on the same side), unaccompanied by visual phenomena, nausea/vomiting, but accompanied by nasal congestion and lacrimation on the
Prostaglandins and leukotrienes have been implicated in the pathogenesis of various types of headache, mainly because some, but not all, cyclo-oxygenase inhibitors are effective in their treatment. We have therefore investigated whether a pathologically changed turnover of arachidonic acid
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