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Imitrex, Onzetra, Tosymra
Antimigraine • Triptan (5-HT1B/1D agonist)
Agonist at 5-HT1B/1D receptors, causing cranial vasoconstriction and inhibiting trigeminal nociception
Drug Class
Antimigraine
Subclass
Triptan (5-HT1B/1D agonist)
Half-life
2-2.5 hours
Time for plasma concentration to decrease by 50%
Protein Binding
14-21%
Fraction bound to plasma proteins
Therapeutic Index
Wide
Margin between therapeutic and toxic doses