Rifaximin

Overview

Rifaximin is a broad-spectrum antibiotic used to treat certain types of bacterial infections in the gastrointestinal tract. It works by inhibiting bacterial RNA synthesis, leading to the elimination of harmful bacteria while preserving the normal gut flora.

API suppliers (12)

Suppliers of Rifaximin backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.

• FIS FABBRICA ITALIANA SINTETICI SPA1 active DMF
• OLON SPAItaly1 active DMF
• EUROAPI ITALY SRLItaly1 active DMF
• FIS FABBRICA ITALIANA SINTETICI SPA1 active DMF
• OLON SPAItaly1 active DMF
• FIS FABBRICA ITALIANA SINTETICI SPA1 active DMF
• EUROAPI ITALY SRLItaly1 active DMF
• EUROAPI ITALY SRLItaly1 active DMF
• OLON SPAItaly1 active DMF
• Lupin LimitedIndia
• PHARMACEUTICAL FINE CHEMICALS PFC BAHAMAS LTD
• Granules India LimitedIndia

Patent & exclusivity (US)

Per the FDA Orange Book (3 approved US products), the latest listed US patent on Rifaximin expires 1 Oct 2029. Generic API sourcing typically opens up once these lapse.

Therapeutic areas