The short version
4 companies supply this market — a reasonable cushion if one runs into trouble.
Market view
18 marketed package NDCs · 4 active manufacturers
Most dispensed: CAMPHOR, (-)- 1 g/100g · Patch · #2 bags/box / 12 patch in 1 bag / 1.5 g in 1 patch · CAMPHOR, (-)- 1 g/100g · Patch · #16 patchs/box / 1.5 g in 1 patch
4 companies supply this market — a reasonable cushion if one runs into trouble.
Other molecules FDA puts in Non-Standardized Plant Allergenic Extract, 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.