The short version
Just 3 companies supply this market — thin enough that a single exit would be felt immediately.
Market view
22 marketed package NDCs · 3 active manufacturers
Most dispensed: 20 mg/mL · Suspension · #12 bottle, plastics/carton / 450 ml in 1 bottle, plastic
Just 3 companies supply this market — thin enough that a single exit would be felt immediately.
Other molecules FDA puts in Radiographic Contrast Agent, 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.