Drug facts

Molecule

Hydroxyzine Hydrochloride

Generics already compete: 19 makers on the market. 41 A-rated products from 18 makers substitute at the counter.

Atarax was first approved by the FDA before 1982 under NDA 010392; the application holder is Pfizer Inc. The Orange Book lists NDA 010392 as discontinued.

The latest NADAC for HYDROXYZINE HCL 25 MG TABLET is $0.03 per unit (as of 10/28/2026).

Holder Pfizer IncApplication NDA 010392Approved 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 Atarax patent listed in the Orange Book
Orange Book

02Competition

Generics
19 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 Hydroxyzine Hydrochloride profile.See what is included

03Supply and price

FDA drug shortage
ClearNot on the current shortage list
FDA shortages
NADAC
$0.03 per unitHYDROXYZINE HCL 25 MG TABLET, mid-priced of 3 strengths, as of 10/28/2026
CMS NADAC
Latest recall
06/02/2026Class III, Hydroxyzine Hydrochloride, Ani Pharmaceuticals, Inc.
FDA enforcement

04Product

Application holder
Pfizer Inc
Orange Book
Application
NDA 010392
Orange Book
First approved
before 1982
Orange Book
Dosage forms
injectable; syrup; tablet
Routes
injection, oral
Status
NDA 010392 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.