The short version
15 companies supply this market — deep enough that no single failure threatens the supply.
Market view
25 marketed package NDCs · 15 active manufacturers
Most dispensed: 5 mg/mL · Injection · #25 vials/carton / 2 ml in 1 vial · 5 mg/mL · Injection · #10 vials/carton / 2 ml in 1 vial · 5 mg/mL · Injection · #10 vials/package / 2 ml in 1 vial · 5 mg/mL · Injection · #25 vials/package / 2 ml in 1 vial
15 companies supply this market — deep enough that no single failure threatens the supply.
Other molecules FDA puts in Phenothiazine, 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.