Bosentan lowers blood pressure in your lungs, helping your heart pump blood more efficiently. Bosentan is used to treat pulmonary arterial hypertension (PAH). It improves your ability to exercise and prevents your condition from getting worse. Bosentan is available only under a special program from a certified pharmacy. You must be registered in the program and understand the risks and benefits of taking this medication. Bosentan may also be used for other purposes not listed in this medication guide.
Bosentan is branded as Tracleer. Bosentan is a type of receptor antagonist used to treat pulmonary artery hypertension. Bosentan can also be used to reduce the number of ulcers in patients with systemic sclerosis. Bosentan works by decreasing the pulmonary vascular resistance responsible for constriction of the blood vessels.