Drug facts

Molecule

Metoprolol Tartrate (Lopressor)

Generics already compete: 15 makers on the market. 35 A-rated products from 15 makers substitute at the counter.

Lopressor was first approved by the FDA before 1982 under NDA 017963; the application holder is Validus Pharmaceuticals LLC.

The latest NADAC for METOPROLOL TARTRATE 100 MG TAB is $0.03 per unit (as of 10/28/2026).

Holder Validus Pharmaceuticals LLCApplication NDA 017963Approved before 1982

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 Lopressor patent listed in the Orange Book
Orange Book

02Competition

Generics
15 generic makers
Orange Book
First generic approved
12/21/1993
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 Metoprolol Tartrate profile.See what is included

03Supply and price

FDA drug shortage
ClearNot on the current shortage list
FDA shortages
NADAC
$0.03 per unitMETOPROLOL TARTRATE 100 MG TAB, mid-priced of 6 strengths, as of 10/28/2026
CMS NADAC
Latest recall
08/06/2025Class II, Metoprolol Tartrate Tablets, Westminster Pharmaceuticals LLC
FDA enforcement

04Product

Application holder
Validus Pharmaceuticals LLC
Orange Book
Application
NDA 017963
Orange Book
First approved
before 1982
Orange Book
Dosage forms
injectable; solution; tablet
Routes
injection, oral

Sources: FDA Orange Book, FDA Purple Book, FDA drug shortages, FDA enforcement reports and CMS NADAC, read through QOPE. Not medical or legal advice.