<unk>  is an endothelin receptor antagonist and antihypertensive that is FDA approved for the {{{indicationType}}} of pulmonary artery hypertension. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include anemia, influenza, headache, urinary tract infections, bronchitis, nasopharyngitis, and pharyngitis.
Macitentan
Bosentan
Sitaxentan
Ambrisentan
Bepotastine Besilate
Sildenafil
Iofendylate
Spirapril