Tracleer (Bosentan) is an expensive drug used to treat a serious heart and lung disorder called pulmonary hypertension. This medicine may help to increase your ability to exercise and improve your breathing. This drug is less popular than comparable drugs. It is available in both brand and generic versions. While 95% of insurance plans cover the most common version of Tracleer at a co-pay of $37.50-$65.00, many of them have restrictions.