Drug facts

Molecule

Hydralazine

Generics already compete: 16 makers on the market. 38 A-rated products from 16 makers substitute at the counter.

Apresoline was first approved by the FDA before 1982 under NDA 008303; the application holder is Novartis Pharmaceuticals Corp. The Orange Book lists NDA 008303 as discontinued.

The latest NADAC for HYDRALAZINE 25 MG TABLET is $0.04 per unit (as of 10/28/2026).

Holder Novartis Pharmaceuticals CorpApplication NDA 008303Approved 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 Apresoline patent listed in the Orange Book
Orange Book

02Competition

Generics
16 generic makers
Orange Book
First generic approved
before 1982
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 Hydralazine profile.See what is included

03Supply and price

FDA drug shortage
ClearNot on the current shortage list
FDA shortages
NADAC
$0.04 per unitHYDRALAZINE 25 MG TABLET, mid-priced of 4 strengths, as of 10/28/2026
CMS NADAC
Latest recall
01/24/2025Class II, Hydralazine Hydrochloride, Sky Packaging
FDA enforcement

04Product

Application holder
Novartis Pharmaceuticals Corp
Orange Book
Application
NDA 008303
Orange Book
First approved
before 1982
Orange Book
Dosage forms
injectable; tablet
Routes
injection, oral
Status
NDA 008303 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.