prostacyclin agonist which is usually given oral.
* Selexipag is the only PGI2 drug which can be given oral route * Prostacyclin analogue like iloprost, treprostinil can be given i/v or s.c or inhaltional route.
Teleprost
Iloprost
Riociguat
Selexipag
Histamine, 5-HT and PGs