Som forventet for prostacycliner fremkaldte iloprost hæmodynamiske virkninger (vasodilatation, rødmen af huden, hypotension, hæmning af trombocytfunktionen, respirationsbesvær) samt generelle tegn på intoksikation som f. eks. apati, gangforstyrrelser samt posturale ændringer.
As expected for a prostacyclin, iloprost produced haemodynamic effects (vasodilatation, reddening of skin, hypotension, inhibition of platelet function, respiratory distress) and general signs of intoxication such as apathy, gait disturbances, and postural changes.