su·ma·trip·tan .sü-mə-'trip-.tan, -tən n a triptan C14H21N3O2S that is administered as a nasal spray or in the form of its succinate C14H21N3O2S·C4H6O4 either as an oral tablet or by injection and that is used in the treatment of migraine attacks
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n.
a 5HT1 agonist that is effective in the treatment of acute migraine by rapidly reversing the dilatation of blood vessels in the head that causes the migraine headache. It is administered by mouth, subcutaneous injection, or nasal spray. Possible side-effects include dizziness, drowsiness, fatigue, chest pain, and a rise in blood pressure. Trade name: Imigran.
Medical dictionary. 2011.