Drug facts
MoleculeTamsulosin
Generics already compete: 11 makers on the market. 11 A-rated products from 11 makers substitute at the counter.
Flomax was first approved by the FDA on 04/15/1997 under NDA 020579; the application holder is Sanofi Aventis US LLC. The Orange Book lists NDA 020579 as discontinued.
The latest NADAC for TAMSULOSIN HCL 0.4 MG CAPSULE is $0.05 per unit (as of 10/28/2026).
Holder Sanofi Aventis US LLCApplication NDA 020579Approved 04/15/1997
01Patents and exclusivity
When competition can legally begin. A generic can launch once both exclusivity and the last listed patent expire, unless a court or settlement says otherwise.
- Latest patent
- No Flomax patent listed in the Orange Book Orange Book
02Competition
- Generics
- 11 generic makers Orange Book
- First generic approved
- 03/02/2010 Orange Book
Every listingEach listing and maker behind the generics count.
Price erosionHow NADAC moves as generics enter.
PrescribersWho prescribes it, from Medicare data.
Available in the full Tamsulosin profile.See what is included
03Supply and price
- FDA drug shortage
- ClearNot on the current shortage list FDA shortages
- NADAC
- $0.05 per unitTAMSULOSIN HCL 0.4 MG CAPSULE, as of 10/28/2026 CMS NADAC
04Product
- Application holder
- Sanofi Aventis US LLC Orange Book
- Application
- NDA 020579 Orange Book
- First approved
- 04/15/1997 Orange Book
- Dosage forms
- capsule
- Routes
- oral
- Status
- NDA 020579 discontinued Orange Book
Sources: FDA Orange Book, FDA Purple Book, FDA drug shortages, FDA enforcement reports and CMS NADAC, read through QOPE. Not medical or legal advice.