class="Serp__item__snippet--34vQF">Sumatriptan is a serotonin receptor agonist commonly used to treat migraines and sometimes cluster headaches.[L6793,L6796,L6799,L6805,L6808,L6811] Sumatriptan is the first of the triptans and was made available in Europe in 1991 to treat migraines. levitrao.com order levitra 90 pills