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For more information about Tyvaso, please use the contact information below:

Questions about TYVASO or United Therapeutics?

Call 1-877-UNITHER (1-877-864-8437).

Request a United Therapeutics Cardiopulmonary Specialist

DPI=dry powder inhaler.

References: 1. TYVASO DPI [package insert]. Research Triangle Park, NC: United Therapeutics Corporation; 2022. 2. Spikes LA, Bajwa AA, Burger CD, et al. BREEZE: open-label clinical study to evaluate the safety and tolerability of treprostinil inhalation powder as Tyvaso DPI^™ in patients with pulmonary arterial hypertension. Pulm Circ. 2022;12:e12063. doi:10.1002/pul2.12063.