Find helpful information and videos and support for Tyvaso, a prescription medicine approved for adults with pulmonary arterial hypertension (PAH) (WHO Group 1).
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Frequently asked questions about Tyvaso

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What can I expect with Tyvaso therapy?
What can I expect with Tyvaso therapy?
Adding Tyvaso to your background oral medication, like bosentan (an ERA) or sildenafil (a PDE-5 inhibitor), could help improve your ability to exercise. Adding Tyvaso may help you do more in your day - go for a stroll, walk your kids to the bus stop, or walk to a mailbox.
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How do I get Tyvaso?
How do I get Tyvaso?
If you and your doctor agree that Tyvaso could help you, a referral or application for your Tyvaso prescription will go to a Specialty Pharmacy Services (SPS) provider. Once approved, an SPS nurse will come to your home or your doctor’s office to show you how to use the Tyvaso Inhalation System and will support you as you begin therapy.
Watch a video about getting started on Tyvaso

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What if I have to replace my Tyvaso Inhalation System?
What if I have to replace my Tyvaso Inhalation System?
Your Specialty Pharmacy Services (SPS) provider will replace your device automatically every 2 years. If you need a replacement before then, just contact your SPS provider.
Tyvaso and the Tyvaso Inhalation System are available only through the following Specialty Pharmacy Services providers:
accredo_2
cvs_1
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What are the possible side effects with Tyvaso?
What are the possible side effects with Tyvaso?
Tyvaso can cause serious side effects, including:
  • Low blood pressure (symptomatic hypotension). If you have low blood pressure, Tyvaso may lower your blood pressure more.
  • Bleeding problems. Tyvaso may increase the risk of bleeding in people who take blood thinners (anticoagulants).
The most common side effects seen with Tyvaso are coughing, headache, throat irritation and pain, nausea, reddening of the face and neck (flushing), fainting or loss of consciousness, dizziness and diarrhea.
Tell your doctor about any side effect that bothers you or does not go away.
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What is prostacyclin class therapy?
What is prostacyclin class therapy?
People living with PAH may not produce enough natural prostacyclin. Tyvaso is a man-made form of prostacyclin, called a prostacyclin analogue. It mimics some of the effects of the natural prostacyclin in the body, helping to keep the blood vessels in the lungs open and working properly.
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Is there anything I should tell my doctor about the other medications I take?
Is there anything I should tell my doctor about the other medications I take?
Tyvaso was studied as a therapy that is added to treatment with bosentan (an endothelin receptor antagonist [ERA]) or sildenafil (a phosphodiesterase type 5 [PDE-5] inhibitor).
Tyvaso may interact with certain other medications, so tell your doctor if you’re taking any of the following:
  • Water pills (diuretics)
  • Medicines that decrease blood clotting
  • Medicines used to treat high blood pressure or heart disease
  • Gemfibrozil (Lopid®), which is used to lower high blood cholesterol
  • Rifampin (Rimactane®, Rifadin®, Rifamate®, Rifater®), an antibiotic used to treat infections
Be sure to make a list of all the medicines (prescription and over the counter), vitamins, and herbal supplements you take routinely or even occasionally. Update the list as needed, keep it with you, and show it to your doctor and Specialty Pharmacy Services provider.
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How do I care for my Tyvaso Inhalation System?
How do I care for my Tyvaso Inhalation System?
The Instructions for Use manual will tell you all you need to know to properly assemble, use, care for, and troubleshoot your Tyvaso Inhalation System. Watch this Overview Video or download Instructions for Use manual.
Key things to remember:
  • At the end of each day, you’ll need to go through a short process of taking apart the unit and washing the various accessories. Once you get used to this, it usually takes about 5 minute.
  • Once a week, use a lint-free cloth to wipe out the inside of the inhalation device chamber
  • Once a month, you’ll get a set of new accessories, along with your Tyvaso Refill Kit
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How do I store Tyvaso ampules?
How do I store Tyvaso ampules?
Tyvaso comes in plastic ampules packaged in a light-protective foil pouch and are good until the date shown, when stored in the unopened pouch at the temperature range indicated on the pouch. Tyvaso ampules do not need to be refrigerated, and should be stored away from light.
Tyvaso ampules can be used until the expiration date printed on the pouch. Do not use Tyvaso ampules past the expiration date printed on the pouch.
  • Tyvaso ampules should be used within 7 days after opening the foil pouch.
  • Tyvaso can be kept in the Tyvaso Inhalation System medicine cup for no more than 1 day.
Throw away any remaining Tyvaso that is left in the medicine cup at the end of the day
The Instructions for Use manual will tell you all you need to know to properly assemble, use, care for, and troubleshoot your Tyvaso Inhalation System. You can also watch this Instructional Video for more information.
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How will I learn to use Tyvaso?
How will I learn to use Tyvaso?
Once your doctor has prescribed the Tyvaso Inhalation System, your kit will be delivered to your home, and a Specialty Pharmacy Services (SPS) nurse will come by to teach you how to use it. You will receive additional visits and phone calls to be sure you are comfortable using Tyvaso, and you can call for help 24/7.
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Where do I get my Tyvaso Inhalation System?
Where do I get my Tyvaso Inhalation System?
Tyvaso and the Tyvaso Inhalation System are available only through the following Specialty Pharmacy Services providers:
accredo_2
cvs_1
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Can I talk with someone who is already taking Tyvaso?
Can I talk with someone who is already taking Tyvaso?
Yes! You can connect one-on-one with a current Tyvaso patient who has volunteered time to help you. A Tyvaso PEER Mentor can answer your questions, share their experience, discuss lifestyle issues concerning the treatment and offer emotional support.
Mentors do not provide medical advice. Talk to your doctor about any medical questions you
may have.
Reach out to the Tyvaso PEER Network today.

PEER Network

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Where can I get more info about Tyvaso?
Where can I get more info about Tyvaso?
Watch videos and download the Tyvaso information brochure, as well as other tools, in the Guidance & support page.
Your healthcare team and doctor are always available to answer questions about your Tyvaso treatment.

Guidance & support

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How do I refill my Tyvaso prescription?
How do I refill my Tyvaso prescription?
Each month, your Specialty Pharmacy Services (SPS) provider will automatically send you a 28-day supply of Tyvaso, along with a kit containing a new set of accessories for your Tyvaso Inhalation System. Don't hesitate to contact your SPS provider if you have any questions about taking Tyvaso, operating the Tyvaso Inhalation System, or if you need more medication.
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What should I tell my doctor before starting Tyvaso?
What should I tell my doctor before starting Tyvaso?
Before you take Tyvaso, tell your healthcare provider about all of your medical conditions, including if you:
  • Have lung disease, such as asthma or chronic obstructive pulmonary disease (COPD)
  • Have a lung infection
  • Have liver or kidney problems
  • Have low blood pressure
  • Have bleeding problems
  • Are pregnant or plan to become pregnant. It is not known if Tyvaso will harm your unborn baby.
  • Are breast-feeding or plan to breast-feed. It is not known if Tyvaso passes into your breast milk. Talk to your healthcare provider about the best way to feed your baby during treatment with Tyvaso.
Starting Tyvaso

Important Safety Information for Tyvaso

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

  • Have lung disease, such as asthma or chronic obstructive pulmonary disease (COPD)
  • Have a lung infection
  • Have liver or kidney problems
  • Have low blood pressure
  • Have bleeding problems
  • Are pregnant or plan to become pregnant. It is not known if Tyvaso will harm your unborn baby.
  • Are breast-feeding or plan to breast-feed. It is not known if Tyvaso passes into your breast milk. Talk to your healthcare provider about the best way to feed your baby during treatment with Tyvaso.

Tell your healthcare provider about all the medicines you take , including prescription and over-the-counter medicines, vitamins, and herbal supplements. Tyvaso 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?

Tyvaso can cause serious side effects, including:

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

The most common side effects of Tyvaso are cough, headache, throat irritation and pain, nausea, reddening of the face and neck (flushing), fainting or loss of consciousness, dizziness, and diarrhea. These are not all the possible side effects of Tyvaso. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at www.fda.gov/MedWatch or call 1-800-FDA-1088.

What is Tyvaso?

Tyvaso (treprostinil) is a prescription medicine used in adults to treat pulmonary arterial hypertension (PAH; WHO Group I), which is high blood pressure in the arteries of your lungs. Tyvaso can improve the ability to exercise. Your ability to exercise decreases 4 hours after taking Tyvaso. It is not known if Tyvaso is safe and effective in children under 18 years of age.

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Please see the Full Prescribing Information, Patient Product Information, and the Tyvaso Inhalation System Instructions for Use manual.

For additional information about Tyvaso, visit www.tyvaso.com or call 1-877-UNITHER (1-877-864-8437).

This information is provided for an informational purpose and is not intended as treatment advice. Patients should consult a healthcare professional for treatment advice.

The information contained in this section of the site is clinical in nature and specifically created for healthcare professionals. If you are not a US healthcare professional, please click CLOSE to return to the consumer section of the site.
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