*The VENTAVIS 20-mcg/mL concentration is intended for patients who are maintained at the 5-mcg dose and who have repeatedly experienced extended treatment times which could result in incomplete dosing. VENTAVIS 10-mcg/mL ampules are still available. VENTAVIS should be taken 6 to 9 times daily, at least 2 hours apart.

Based on an in vitro study with a manually generated 28.3-L/min, 15-sec inhalation cycle breathing pattern.14