Drug facts

Molecule

Omeprazole

Generics already compete: 14 makers on the market. 39 A-rated products from 13 makers substitute at the counter.

Prilosec was first approved by the FDA on 09/14/1989 under NDA 019810; the application holder is Astrazeneca Pharmaceuticals LP. The Orange Book lists NDA 019810 as discontinued.

The latest NADAC for OMEPRAZOLE DR 40 MG CAPSULE is $0.05 per unit (as of 10/28/2026).

Holder Astrazeneca Pharmaceuticals LPApplication NDA 019810Approved 09/14/1989

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 Prilosec patent listed in the Orange Book
Orange Book
Later patents, other products
Omeprazole (NDA 209400) 12/08/2036; Omeprazole (NDA 022032) 01/31/2030
Orange Book

02Competition

Generics
14 generic makers
Orange Book
First generic approved
11/01/2002
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 Omeprazole profile.See what is included

03Supply and price

FDA drug shortage
ClearNot on the current shortage list
FDA shortages
NADAC
$0.05 per unitOMEPRAZOLE DR 40 MG CAPSULE, mid-priced of 3 strengths, as of 10/28/2026
CMS NADAC
Latest recall
06/30/2025Class II, Omeprazole, Dr. Reddy's Laboratories, Inc.
FDA enforcement

04Product

Application holder
Astrazeneca Pharmaceuticals LP
Orange Book
Application
NDA 019810
Orange Book
First approved
09/14/1989
Orange Book
Dosage forms
capsule, delayed rel pellets; tablet, delayed release; tablet, orally disintegrating, delayed release
Routes
oral
Status
NDA 019810 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.