Financial Support

Once your benefits have been verified, if you need financial assistance, you may qualify for one of the programs offered by United Therapeutics. Notify your Specialty Pharmacy (SP) when scheduling shipment or contact ASSIST directly.

UT Co-pay Assistance Program

Tyvaso Co-Pay Assistance Card

If you have a commercial or private insurance plan, we offer a co-pay assistance card to help cover some of your out-of-pocket expenses.

Most eligible patients on commercial, non-government plans may pay as little as a $0.00 co-pay for each prescription of TYVASO or TYVASO DPI and may receive up to $8,000 per year toward their co-pay. The patient will be responsible for any remaining balance in excess of the maximum program benefit.*

Terms and Conditions

*Patients must meet certain eligibility criteria to qualify for assistance. Patients receiving reimbursement under Medicare, Medicaid, VA, DoD (TRICARE), Indian Health Services, or similar federal or state programs, may not be eligible for some assistance. Some portion of this patient assistance may be administered by third-party patient assistance organizations. The Program is subject to additional state law restrictions. Patients residing in select states may not be eligible for the Program.

contact assist

Patient Assistance Program (PAP)

United Therapeutics offers a free medication program for uninsured and underinsured patients who meet eligibility requirements.

Call ASSIST at 1-877-864-8437 to find out if you qualify for financial support.

Other financial support resources

There are independent Patient Assistance Programs* available that offer financial assistance to PAH patients in need. Known patient assistance programs that support PAH are listed below, in no particular order.

*Independent patient assistance programs are fully separate from United Therapeutics, and United Therapeutics has no influence or control over these organizations. United Therapeutics has no control or insight into whether an independent PAP may or will approve an individual for assistance, and United Therapeutics does not receive any information about the status or decisiotn of a grant application.


If you have any questions about completing the referral form, contact ASSIST at 1-877-UNITHER (1-877-864-8437), Monday - Friday, 8:30am to 7:00pm ET.


TYVASO (treprostinil) Inhalation Solution and TYVASO DPI (treprostinil) Inhalation Powder are prescription medicines used in adults to treat:

  • Pulmonary arterial hypertension (PAH; WHO Group 1), which is high blood pressure in the arteries of your lungs. TYVASO or TYVASO DPI can improve the ability to exercise. Your ability to exercise decreases 4 hours after taking TYVASO or TYVASO DPI. It is not known if TYVASO or TYVASO DPI is safe and effective in children under 18 years of age.
  • Pulmonary hypertension associated with interstitial lung disease (PH-ILD; WHO Group 3), which is high blood pressure in the lungs due to inflammation and sometimes scarring in the lungs. TYVASO or TYVASO DPI can improve the ability to exercise.


Before you take TYVASO or TYVASO DPI, tell your healthcare provider about all of your medical conditions, including if you:

  • Have low blood pressure
  • Have or have had bleeding problems
  • Have asthma or chronic obstructive pulmonary disease (COPD)
  •  Are pregnant or plan to become pregnant. It is not known if either product will harm your unborn baby.
  • Are breastfeeding or plan to breastfeed. It is not known if either product passes into your breast milk. Talk to your healthcare provider about the best way to feed your baby during treatment.

Tell your healthcare provider about all of the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Either product and other medicines may affect each other.

Especially tell your healthcare provider if you take:

  • Medicines used to treat high blood pressure or heart disease
  • Medicines that decrease blood clotting (anticoagulants)
  • Water pills (diuretics)
  • Gemfibrozil (Lopid®) or rifampin (Rimactane®, Rifadin®, Rifamate®, Rifater®)

What are the possible side effects of TYVASO or TYVASO DPI?

Both products can cause serious side effects, including:

  • Low blood pressure (symptomatic hypotension).If you have low blood pressure, either product may lower your blood pressure more.
  • Bleeding problems. Either product may increase the risk of bleeding, especially in people who take blood thinners (anticoagulants).

The most common side effects of both products are cough, headache, throat irritation and pain, nausea, reddening of the face and neck (flushing), fainting or loss of consciousness, dizziness, diarrhea, and shortness of breath. Like other inhaled prostaglandins, you may have trouble breathing after taking TYVASO or TYVASO DPI because it may cause the muscles around your airway to tighten (bronchospasm). These are not all the possible side effects. Call your doctor for medical advice about side effects or if you have trouble breathing.

You may report side effects to the FDA at or call 1-800-FDA-1088.

The risk information provided here is not comprehensive. To learn more about TYVASO or TYVASO DPI, talk with your healthcare provider. Please see Full Prescribing Information for TYVASO or TYVASO DPI, Instructions for Use manuals for TD-100 and TD-300 TYVASO® Inhalation System and TYVASO DPI™ Inhalation Powder, and additional information at or call 1-877-UNITHER (1-877-864-8437).