The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
Market view
3 marketed package NDCs · 2 active manufacturers
Most dispensed: 20 mg/20mL; 200 mg/20mL · Solution · #1 bottle/carton / 118 ml in 1 bottle · 20 mg/20mL; 200 mg/20mL · Solution · #1 bottle/carton / 237 ml in 1 bottle · 30 mg; 600 mg · Tablet, Extended Release · #1 bottle/carton / 20 tablet, extended release in 1 bottle · 30 mg; 600 mg · Tablet, Extended Release · #1 bottle/carton / 40 tablet, extended release in 1 bottle
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
Every detected change for dextromethorphan hydrobromide, guaifenesin, 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 Uncompetitive N-methyl-D-aspartate Receptor Antagonist, 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.