Drug facts

Molecule

Gabapentin (Neurontin)

Generics already compete: 27 makers on the market. 104 A-rated products from 27 makers substitute at the counter.

Neurontin was first approved by the FDA on 12/30/1993 under NDA 020235; the application holder is Viatris Specialty LLC.

The latest NADAC for GABAPENTIN 600 MG TABLET is $0.06 per unit (as of 10/28/2026).

Holder Viatris Specialty LLCApplication NDA 020235Approved 12/30/1993

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 Neurontin patent listed in the Orange Book
Orange Book

02Competition

Generics
27 generic makers
Orange Book
First generic approved
09/12/2003
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 Gabapentin profile.See what is included

03Supply and price

FDA drug shortage
ClearNot on the current shortage list
FDA shortages
NADAC
$0.06 per unitGABAPENTIN 600 MG TABLET, as of 10/28/2026
CMS NADAC
Latest recall
10/10/2025Class II, Gabapentin, The Harvard Drug Group LLC
FDA enforcement

04Product

Application holder
Viatris Specialty LLC
Orange Book
Application
NDA 020235
Orange Book
First approved
12/30/1993
Orange Book
Dosage forms
capsule; solution; tablet
Routes
oral
Other brand names
GraliseRelgaabi

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