what is onzetra xsail used for
What is ONZETRAâ¢ Xsailâ¢ (sumatriptan nasal powder) used for? ONZETRA Xsail is a prescription medication approved for the acute treatment of migraine, with or without aura in adults. ONZETRA Xsail is used for people who have been told by a healthcare provider that they have migraine headaches. ONZETRA Xsail is not for the prevention of migraines or for other types of headaches, including cluster headache.