Whats the most important safety information I should know about taking Tracleer?
In order to detect important side effects, you must have regular blood tests. Your doctor will prescribe these tests for you. Its required that you have liver function tests before you start treatment, and each month thereafter while you are taking Tracleer. If you are female of childbearing potential, you must have a negative pregnancy test before taking Tracleer and every month thereafter, and you should not become pregnant while taking Tracleer.