Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Prescription medicine · generic available

Treprostinil

Also listed by the FDA as: treprostinil · treprostinil sodium

Drug class: Prostacycline Vasodilator

The FDA’s “Established Pharmacologic Class”: the group of medicines that work in a similar way.

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

Quick answers

What is Treprostinil used for?
The FDA-approved label (Remodulin, United Therapeutics Corporation, July 2, 2026) says: “Remodulin is a prostacyclin mimetic indicated for: Treatment of pulmonary arterial hypertension (PAH; WHO Group 1) to diminish symptoms associated with exercise. Studies establishing effectiveness included patients with NYHA Functional Class II-IV symptoms and etiologies of idiopathic or heritable PAH (58%), PAH associated with congenital systemic-to-pulmonary shunts (23%), or PAH associated with connective tissue …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Treprostinil have a boxed warning?
No. None of the 9 FDA labels we found for this medicine has a boxed warning.
Is there a shortage of Treprostinil?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Treprostinil been recalled?
FDA enforcement reports list 1 recall of products of this medicine; the newest started August 14, 2018 (Class III). A recall usually concerns specific lots, not every product.
Who makes Treprostinil?
6 companies list prescription products of Treprostinil in the FDA NDC Directory, including United Therapeutics Corporation, Sandoz Inc and Dr. Reddy's Laboratories Inc..

What Treprostinil is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

Remodulin is a prostacyclin mimetic indicated for: Treatment of pulmonary arterial hypertension (PAH; WHO Group 1) to diminish symptoms associated with exercise. Studies establishing effectiveness included patients with NYHA Functional Class II-IV symptoms and etiologies of idiopathic or heritable PAH (58%), PAH associated with congenital systemic-to-pulmonary shunts (23%), or PAH associated with connective tissue …

— FDA label: Remodulin, United Therapeutics Corporation, effective July 2, 2026. Read the full label on DailyMed →

The FDA has 9 labels for products of this medicine (different makers and forms); uses can differ between them. Check the label that comes with your own medicine.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

0 of 9 FDA labels for this medicine have a boxed warning.

Forms and how it is given

Dosage formsInjection, solution · Inhalant · Tablet, extended release · Injection · Capsule
RouteIntravenous · Subcutaneous · Oral · Respiratory (inhalation)
Prescription products41 in the FDA NDC Directory
Brand namesTyvaso Dpi, Remodulin, Orenitram, Yutrepia, Tyvaso

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
  • ANDA: Abbreviated New Drug Application: how a generic version is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
NDA021272
REMODULIN
United TherapMay 21, 2002 15, latest March 7, 2023
2023: Labeling · 2021: Manufacturing (CMC) · 2018: Labeling
NDA022387
TYVASO
United TherapJuly 30, 2009 11, latest April 3, 2026
2026: Labeling · 2022: Labeling · 2021: Efficacy
NDA203496
ORENITRAM
United TherapDecember 20, 2013 7, latest August 4, 2026
2026: Manufacturing (CMC) · 2020: Manufacturing (CMC) · 2019: Efficacy
NDA213005
YUTREPIA
Liquidia TechMay 23, 2025 —
NDA214324
TYVASO DPI
United TherapMay 23, 2022 1, latest September 23, 2026
2026: Labeling

Generic approvals (4)

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

From FDA enforcement reports, matched by the product’s NDC code. A recall usually covers specific lots only: check the lot number on your package and ask your pharmacist. Do not stop a medicine on your own.

  1. August 14, 2018 · Class III · Terminated · D-1188-2018

    Defective Delivery System: Water ingress through the lower water cup sensor of the device.

    Tyvaso Inhalation System Patient a) Starter Kit with TYVASO (treprostinil) Inhalation Solution. Treprostinil 1.74 mg/2.9 mL (0.6 mg/mL) (NDC 66302-206-01) b) TD-300/A Replacement Device Kit Material Number RTP3099 RX Onl — United Therapeutics Corp.

What do the recall classes mean?

Class I: The most serious type: there is a reasonable chance that using the product will cause serious health problems or death.
Class II: Using the product may cause temporary or medically reversible health problems, or the chance of serious problems is remote.
Class III: Using the product is not likely to cause health problems (for example a labeling or packaging issue).

Official identifiers

RxCUI (RxNorm)349407, 349408, 349409, 349410, 352211, 352212, 352213, 352214, 857795, 857799 … (+10)
SPL set ID of the quoted label6c80bb38-e8db-4138-9f0d-dbbf9c673185
FDA labels (SPL)9
FDA applicationsNDA021272, NDA022387, NDA203496, NDA213005, NDA214324, 4 ANDA
Active ingredients (FDA)TREPROSTINIL

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Remodulin, United Therapeutics Corporation, effective July 2, 2026; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

Report an error → · Information for medicine makers