What is the peak action of fibristal?

Hello,

This drug is rapidly absorbed in the body, the peak concentration of Ulipristal (Fibristal) is about 1 hour. However, you should know that the peak action of this drug on fibroids is about 7 to 10 days.

Up to 1 in 4 women experience hot flashes with this medication. The fact that you started it in the middle of summer doesn't help the cause, that's for sure. As for heartaches, taking the medication with food and a large glass of water may help. Finally, try taking the medication at dinner or with a light evening snack and see if the drowsiness is less overwhelming.