The short version
17 companies supply this market — deep enough that no single failure threatens the supply.
Market view
21 marketed package NDCs · 17 active manufacturers
Most dispensed: 40 mg · Capsule · #30 capsules/bottle · 100 mg · Capsule · #50 capsules/bottle · 50 mg · Capsule · #100 capsules/bottle · 100 mg · Capsule · #250 capsules/bottle
17 companies supply this market — deep enough that no single failure threatens the supply.
Every detected change for doxycycline, 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 Tetracycline-class Drug, 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.