Abstract
Migraine is a paroxysmal disorder with attacks of headache, nausea, vomiting, photo- and phonophobia and malaise. Mild migraine attacks are treated with antiemetics followed by analgesics such as aspirin (acetylsalicylic acid), paracetamol (acetaminophen) or nonsteroidal anti-inflammatory drugs (NSAIDs). Moderate to severe attacks are treated by antiemetics combined with ergotamine or dihydroergotamine. Sumatriptan, a specific serotonin 5-HT1B/D receptor agonist, is used if attacks do not respond to ergotamine or if intolerable adverse effects occur. The new migraine drugs zolmitriptan, naratriptan, rizatriptan and eletriptan differ in their pharmacological profile from sumatriptan, but this translates into only minor differences in efficacy, headache recurrence and adverse effects. Migraine prophylaxis should be implemented when more than 3 attacks occur per month, if attacks do not respond to acute treatment or if the adverse effects of acute treatment are severe. Substances with proven efficacy include the beta-blockers metoprolol and propranolol and the calcium antagonist flunarizine. Drugs less effective or those with unpleasant adverse effects are the serotonin receptor antagonists (pizotifen, methysergide and lisuride), dihydroergotamine, cyclandelate, NSAIDs, valproic acid (sodium valproate) and amitriptyline. The efficacy of aspirin or magnesium is still under evaluation.
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