Rifnim 400, Substitutes & Alternatives
Find medicines with the same composition as Rifnim 400 (Rifaximin (400mg)). Compare alternatives at different price points.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Currently out of stock
Same composition, in stock now. Check with your doctor or pharmacist before you switch.
Known Substitutes
The following medicines may be used as alternatives to Rifnim 400 (same or similar composition):
- Rexigut 400mg Tablet
- Rifaford 400mg Tablet
- Rifagut 400 Tablet
- Rcifax 400 Tablet
- Rifastop 400 Tablet
Important: Never switch medicines without consulting your doctor or pharmacist. Even medicines with the same composition may have different inactive ingredients that affect how they work for you.
Understanding the Composition
Rifnim 400 contains Rifaximin (400mg). Substitute medicines with the same active ingredient work by the same mechanism and treat the same conditions.
Price differences between brands are common and do not indicate a difference in quality or effectiveness. All medicines sold in India must meet the standards set by CDSCO (Central Drugs Standard Control Organisation).
Rifnim 400: At a Glance
- Composition
- Rifaximin (400mg)
- Price
- ₹247
- Prescription
- Required (Rx)
- Manufacturer
- DR.REDDYS
- Known substitutes
- 5
Rifnim 400: Substitute FAQs
Are substitutes as effective as the original medicine?
Why are some substitutes cheaper?
Can I switch to a substitute on my own?
What is the difference between generic and branded medicines?
More from PingMeDoc
Ask a doctor
Send us a question about switching medicines, a doctor replies by email.
Browse by salt
Find all medicines with the same active ingredient.
Upload prescription
Upload Rx for prescription-required medicines.
Medical certificate online
Doctor-issued sick leave, fitness and Form 1A certificates, from ₹499.