Medicine All of the following statements about treatment of migraine are true, except: A Narotriptan has slower onset and longer t1/2 than sumatriptan B Rizatriptan is more efficacious than sumatriptan C Sumatriptan is a selective 5-HT 1B/1D agonist D Sumatriptan is used for chronic migraine 💡 Explanation All of the following statements about treatment of migraine are true, except: ✓ Correct Answer: D. Sumatriptan is used for chronic migraine