The short version
5 companies supply this market — a reasonable cushion if one runs into trouble.
Market view
9 marketed package NDCs · 5 active manufacturers
Most dispensed: 1.5 mg/10mL · Injection, Powder, Lyophilized, For Solution · #1 vial/carton / 10 ml in 1 vial · .5 mg/10mL · Injection, Powder, Lyophilized, For Solution · #1 vial/carton / 10 ml in 1 vial
5 companies supply this market — a reasonable cushion if one runs into trouble.
Other molecules FDA puts in Prostacycline Vasodilator, with whether each is in shortage right now. Same class is not the same drug — substitution is a clinical decision, and this is a supply picture, not a recommendation.
Expand a strength to see its dosage forms, then package sizes, then each manufacturer and NDC. Click an NDC for its full detail page.