Frovaptan is a medicine used to treat the headache phase of migraine attacks, with or without aura, in adults.
Take one 2.5 mg tablet as soon as a migraine headache starts. If the headache returns within 24 hours, you can take a second tablet, but wait at least 2 hours.
Swallow the tablet whole with water. It can be taken with or without food.
Do not take more than 5 mg (two tablets) within 24 hours.