<prompt> Iloprost in Pulmonary Aerial Hypeension is administered:IntravenousIntramuscularOralInhalation  <response>: Answer is D Inhalation: European Society of Cardiology ESC Guidelines for the diagnosis and treatment of pulmonary hypeension Iloprost is a Prostacyclin analogue approved inhalation for treatment of Pulmonary Aerial Hypeension PAH. 