<unk>  is a cardiovascular agent that is FDA approved for the treatment of persistent,recurrent chronic thromboembolic pulmonary hypertension and pulmonary arterial hypertension. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include headache, dyspepsia,gastritis, dizziness, nausea, diarrhea, hypotension, vomiting, anemia, gastroesophageal reflux, and constipation..
Riociguat
Bepotastine Besilate
Buflomedil
Iofendylate
Etafenone
Epinastine hydrochloride
Sitaxentan
Cangrelor