The short version
14 companies supply this market — deep enough that no single failure threatens the supply.
Market view
rifaximin · Powder
30 marketed package NDCs · 14 active manufacturers
Most dispensed: 200 mg · Tablet · #30 tablets/bottle · 550 mg · Tablet · #6 blister packs/carton / 10 tablet in 1 blister pack · 550 mg · Tablet · #60 tablets/bottle · 1 kg/kg · Powder · #25 kg/drum
Same drug class
Other molecules FDA puts in Rifamycin Antibacterial, 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.
Common questions
- Is Rifaximin in shortage right now?
- No. FDA does not currently list Rifaximin in shortage. This page is rebuilt every morning from FDA's shortage database, so a new posting appears here the day it is published.
- Who makes Rifaximin?
- 19 companies have marketed Rifaximin in the last 30 days, according to the FDA NDC Directory. Every manufacturer and package is listed on this page.
All marketed products
Expand a strength to see its dosage forms, then package sizes, then each manufacturer and NDC. Click an NDC for its full detail page.