Proper Use

Drug information provided by: Micromedex

Treprostinil inhalation should be taken when you wake up and also before any physical activity, but not more than every 4 hours. Do not change your dose without talking to your doctor.

Treprostinil is breathed into your lungs with Tyvaso® Inhalation System. This system consists of the Tyvaso® Inhalation System device and its accessories. Carefully follow your doctor's instructions for using the medicine and operating and cleaning the equipment. Do not put other medicines into this equipment.

Do not drink this medicine. Do not allow the inhalation solution to come into contact with your skin or eyes. If it does, rinse it off with water right away.

To avoid missing a dose or any possible problems with the drug delivery device you are using, you should have a back-up with Tyvaso® Inhalation System device.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For inhalation dosage form (solution):
    • For pulmonary arterial hypertension:
      • Adults—At first, 18 micrograms (mcg) or three breaths, per treatment session at least 4 hours apart, 4 times a day. Your doctor may adjust your dose as needed and tolerated. However, the dose is usually not more than 9 breaths per treatment session, 4 times a day.
      • Children—Use and dose must be determined by your doctor.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Protect the medicine from direct light. Keep your medicine in the unopened foil pouch until you are ready to use it. Once the foil pack is opened, the ampules should be used within 7 days.