FDA pharmacologic class
Prostacycline Vasodilator
3 medicines are in FDA's class of prostacycline vasodilators: water (Medi-First), treprostinil (Remodulin) and epoprostenol (Veletri). All 3 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is water for injection vial at $0.315 per mL (NADAC).
Which medicines are prostacycline vasodilator?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Water | Pur-Wash, Physicianscare, Medi-First | 11 labelers | $0.315 per mL Water for injection vial | No | In shortage | 12 |
| Treprostinil | Tyvaso, Orenitram, Remodulin | 4 labelers | n/a | No | No current entry | 1 |
| Epoprostenol | Veletri | 3 labelers | n/a | No | No current entry | 3 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)
What do pharmacies pay?
Each medicine's most widely listed form, per unit, in the NADAC survey: what pharmacies paid, not what a patient pays; strengths differ, so compare like with like.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price