Epoprostenol is a prostaglandin (a hormone-like substance that occurs naturally in the body). Prostaglandins help to control functions in the body such as blood pressure and muscle contractions. Epoprostenol is used to treat pulmonary arterial hypertension (PAH). It improves your ability to exercise. Epoprostenol may also be used for purposes not listed in this medication guide.
Epoprostenol is used to treat high blood pressure. Epoprostenol is known to have a positive effect on the body that enhances the ability to exercise and improves upon the symptom of shortness of breath and the tired feeling all the way around.