About eletriptanselective 5 ht 1b/1d agonist, antimigraine agentmechanism of action of eletriptaneletriptan is a selective 5-hydroxytryptamine (serotonin5-ht) type 1b and 1d (5-ht1b/1d) receptor agonist. it is thought to be related to activation of 5-ht1 receptors located on intracranial blood vessels, leading to vasoconstriction and relieves the migraineindications for eletriptanacute attack of migraine with or without aurainteractions for eletriptancyp3a4 inhibitors may increase serum concentrations of eletriptan ergot alkaloids or other 5-ht1 receptor agonists: may cause additive vasospastic effects