The short version
12 companies supply this market — deep enough that no single failure threatens the supply.
Market view
24 marketed package NDCs · 12 active manufacturers
Most dispensed: 50 ug · Powder, Metered · #1 inhaler/carton / 60 powder, metered in 1 inhaler
12 companies supply this market — deep enough that no single failure threatens the supply.
Every detected change for salmeterol xinafoate, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.
Other molecules FDA puts in beta2-Adrenergic Agonist, 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.