Sumatriptan

Abstract
EDITOR, - According to extensive clinical trials, sumatriptan combines high efficacy with good tolerability and safety in acute attacks of migraine.1 Although it has not shown any addictive properties in short term and long term safety studies, we report on seven patients with a longstanding history of migraine in whom misuse of sumatriptan developed. One similar case has been reported recently.2 The seven patients (five women, two men) were aged 47-65 (average 54) and attending specialist headache clinics. Two had migraine …