Yes she see a specialist at MUSC in Charleston S.C.and she is on spironolactone,digoxine,revatio,loveox shot,tracleer,and lasix .She go every month to get blood work to make sure her med. are work good for her and every 90days to see the specialist and once a month to see the Dr. that's follow her in my town. But do u think phentermine cause blood clot because she has severe PH and she didn't take any other med for a long time but what the Dr.gave her phentermine 37.