Treprostinil dilates (widens) the arteries and decreases the amount of blood clotting platelets in your body. These effects lower blood pressure in the pulmonary artery that leads from the heart to the lungs. Treprostinil is used to treat pulmonary arterial hypertension (PAH). This medicine improves your ability to exercise. Treprostinil may also be used for purposes not listed in this medication guide.
Orenitram is a drug used to treat pulmonary arterial hypertension (PAH), high blood pressure specifically in the arteries of the lungs. Orenitram belongs to a class of drugs known as vasodilators. It works by widening the arteries and decreasing the amount of blood clotting platelets in the lungs and other parts of the body so that blood can flow more easily.