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Treprostinil

Treprostinil is an active ingredient of the class «antithrombotic».

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Chemical compound

Informational only — not medical advice. Ask a doctor or pharmacist; never change a dose on your own.

What it is used for

Tyvaso is a prostacyclin mimetic indicated for the treatment of: Pulmonary arterial hypertension (PAH; WHO Group 1) to improve exercise ability.

US label

Treatment of adult patients with WHO Functional Class (FC) III or IV and: inoperable chronic thromboembolic pulmonary hypertension (CTEPH), or persistent or recurrent CTEPH after surgical treatment to improve exercise capacity.

EMA

How it works

Class: antithrombotic

Common side effects

Most common adverse reactions (≥4%) are cough, headache, nausea, dizziness, flushing, throat irritation, pharyngolaryngeal pain, diarrhea, and syncope.

US label

Pregnancy and breastfeeding

Limited case reports of treprostinil use in pregnant women are insufficient to inform a drug-associated risk of adverse developmental outcomes.

Excerpts from the US prescribing label (public domain), copied without changes.

Interactions

Recorded interactions from open sources (Wikidata, US labels). The list is not complete — ask a pharmacist.

Brand names

United States

Orenitram · Remodulin · Tyvaso · Tyvaso DPI

European Union

Trepulmix

Canada

Remodulin

Other trade names

Ut-15c

Approval status

US Food and Drug Administration
prescription · since 2002
European Medicines Agency
authorised · since 2020
Health Canada
prescription · marketed
First approval anywhere
2002

Codes

ATC
B01AC21
RxNorm CUI
343048
ChEMBL
CHEMBL1237119
PubChem CID
6918140
UNII
RUM6K67ESG
Wikidata
Q3495231

Frequently asked questions

What is Treprostinil used for?

Treprostinil is used for: Pulmonary hypertension, Chronic pulmonary heart disease, Thrombosis, and Arterial pulmonary hypertension.

What kind of medicine is Treprostinil?

Treprostinil is an active ingredient of the class «antithrombotic».

What are the brand names of Treprostinil?

Brand names of Treprostinil include Orenitram, Remodulin, Tyvaso, Tyvaso DPI, Trepulmix, and Ut-15c.

Medicines in the same class

Sources and licences

Updated November 15, 2026