The short version
32 companies supply this market — deep enough that no single failure threatens the supply.
Market view
61 marketed package NDCs · 32 active manufacturers
Most dispensed: 1 mg/mL · Injection, Solution, Concentrate · #10 vial, single-doses/carton / 4 ml in 1 vial, single-dose · 1 mg/mL · Injection · #10 vial, single-doses/carton / 4 ml in 1 vial, single-dose · 1 mg/mL · Injection, Solution, Concentrate · #10 vials/carton / 4 ml in 1 vial
32 companies supply this market — deep enough that no single failure threatens the supply.
Other molecules FDA puts in Catecholamine, 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.