The short version
Only one company currently supplies this market — there is no backup if it stumbles.
Market view
6 marketed package NDCs · 1 active manufacturer
Most dispensed: MAGNESIUM HYDROXIDE 165 mg; 10 mg; 800 mg · Tablet, Chewable · #2 pouchs/carton / 1 tablet, chewable in 1 pouch
Only one company currently supplies this market — there is no backup if it stumbles.
Every detected change for famotidine, calcium carbonate, magnesium hydroxide chewable tablet, 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 Histamine-2 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.