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Hydroxyzine (International)

Note: In some countries, this medicine may only be approved for veterinary use.

In the US, Hydroxyzine (hydroxyzine systemic) is a member of the following drug classes: antihistamines, miscellaneous anxiolytics, sedatives and hypnotics and is used to treat Allergic Urticaria, Allergies, Anxiety, Interstitial Cystitis, Nausea/Vomiting, Pain, Pruritus and Sedation.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Anxiolytic agent

Histamine receptor antagonist (antihistaminic agent)

Chemical Name

Etanol, 2-[2-[4-[(4-chlorophenyl)phenylmetyl]-1-piperazinyl]etoxy]-

Foreign Names

  • Hydroxyzinum (Latin)
  • Hydroxyzin (German)
  • Hydroxyzine (French)
  • Hidroxizina (Spanish)

Generic Names

  • Hydroxyzine (OS: DCF, BAN)
  • Idroxizina (OS: DCIT)
  • UCB 4492 (UCB) (IS)
  • Hydroxyzine Hydrochloride (OS: BANM, JAN)
  • Hydroxyzine dihydrochloride (IS)
  • Hydroxyzindihydrochlorid (PH: Ph. Eur. 9)
  • Hydroxyzine (chlorhydrate d') (PH: Ph. Eur. 9)
  • Hydroxyzine Hydrochloride (PH: BP 2018, JP XVII, USP 41)
  • Hydroxyzine hydrochloride (PH: Ph. Eur. 9)
  • Hydroxyzini hydrochloridum (PH: Ph. Eur. 9)
  • Hydroxyzine Pamoate (OS: JAN)
  • Hydroxyzine Pamoate (PH: JP XVII)

Brand Names

  • Adzin
    Daksh, India
  • Atarax
    LENIS, Slovenia; Pharma Secta, Lebanon; UCB, Turkey; UCB Pharma, Cyprus; Sanolabor, Slovenia
  • Atarax 200 ml
    UCB, Turkey
  • Atarax 25mg
    UCB, Lithuania
  • Atarax 2mg/ml
    UCB, Lithuania
  • Dolodens [+ Codeine, + Propyphenazone]
    Dentalcare Pharma, Spain
  • Dorax [+ Ephedrine, + Theophylline]
    Dosaco, Pakistan
  • Drotizin
    GeoLab, Brazil
  • Fasarax
    Laboratorio Prater, Chile
  • Hidroxicina Genfar
    Genfar S.A., Costa Rica; Genfar S.A., Guatemala; Genfar S.A., Panama; Genfar S.A., El Salvador
  • Hidroxicina HCl Pharma Arte
    Pharma Arte, Paraguay
  • Hidroxicina La Santé
    La Santé, Colombia
  • Hidroxin
    Mavi, Mexico
  • Hidroxina
    Lazar, Ecuador; Pablo Cassara, Paraguay
  • Hidroxizina Eurofarma
    Eurofarma, Brazil
  • Hydroze
    Unichem, India
  • Hyrax
    Palsons, India
  • Krust
    Biosciences, India
  • Oltrex
    Olcare Laboratories, India
  • Pergo
    Eurofarma, Brazil
  • Pharma-Q Hydroxyzine
    Pharma-Q, South Africa
  • Prugo
    Adcock Ingram, India
  • Psytrax
    Psycorem, India
  • Tenerba
    Lafedar, Argentina
  • Teo Bilac Plus [+ Ambroxol, + Salbutamol, + Theophylline]
    Bilac, Paraguay
  • Validol
    Hakay, Turkey
  • Vetaraxoid [+ Prednisolone] [veterinary use]
    Pfizer, Poland
  • Xyril
    Opsonin, Bangladesh
  • Actadon
    Aedon Co, Thailand
  • Adipam
    Taiguk, South Korea
  • AH 3 N
    UCB Pharma, Germany
  • Akiskam
    Psicofarma, Mexico
  • Allerax
    Bangkok Lab & Cosmetic, Thailand
  • Allerzine
    Alvogen IPCo S.à.r.l., Iceland
  • Antipru
    Inpac Pharma, Thailand
  • Antizine
    Pharmaceutical Laboratories, Thailand
  • Apo-Hydroxyzine
    Apotex, Hong Kong; Apotex, Singapore; Apotex, Canada
  • Arax
    Astar, Taiwan
  • Atalog
    Chinta, Thailand
  • Atano
    Milano, Thailand
  • Atarax
    ACI, Bangladesh; Cherubino, Malta; Cid, Egypt; Ecosse, Malta; ERFA Canada, Canada; GlaxoSmithKline, Ecuador; GlaxoSmithKline, Hong Kong; GlaxoSmithKline, Myanmar; GlaxoSmithKline, Malaysia; Pfizer Japan, Japan; UCB, Czech Republic; UCB, Spain; UCB, Finland; UCB, Georgia; UCB, Greece; UCB, India; UCB, Iceland; UCB, Kuwait; UCB, Lithuania; UCB, Norway; UCB, Pakistan; UCB, Poland; UCB, Portugal; UCB, Slovakia; UCB, Taiwan; UCB Nordic, Sweden; UCB Pharma, Belgium; UCB Pharma, Bulgaria; UCB Pharma, Germany; UCB Pharma, Italy; UCB Pharma, Malta; BB Farma, Italy; UCB de Mexico, Mexico; Global Six Key Thailand, Thailand
  • Atarax 10mg
    Alliance Pharmaceuticals, United Kingdom
  • Atarax 25mg
    Alliance Pharmaceuticals, United Kingdom; UCB, Hungary; UCB, Luxembourg; UCB, Oman; UCB Pharma, Austria; UCB Pharma, France; UCB-Pharma, Switzerland
  • Atarax 2mg/ml
    UCB-Pharma, Switzerland
  • Ataraxone
    Lazar, Argentina; Lazar, Uruguay
  • Ataraxone 25mg
    Lazar, Uruguay
  • Atarax-P
    Pfizer Japan, Japan
  • Ataroly
    Aflofarm, Georgia
  • Aterax
    AHN Pharma, South Africa
  • Bestalin
    Lapi Laboratories, Indonesia
  • Cedar
    Siegfried, Colombia
  • Cloridrato de Hidroxizina EMS
    EMS, Brazil
  • Cloridrato de Hidroxizina Gen.Germed
    Genéric.Germed, Brazil
  • Cloridrato de Hidroxizina Gen.Legrand
    Genéric.Legrand, Brazil
  • Cloridrato de Hidroxizina GeoLab
    GeoLab, Brazil
  • Cloridrato de Hidroxizina Globo
    Globo, Brazil
  • Cloridrato de Hidroxizina Medquimica
    Medquímica Indústria Farmacêutica, Brazil
  • Cloridrato de Hidroxizina Neo Quimica
    Nova Química Farmacêutica, Brazil
  • Dalun
    Productos Farmaceuticos Medipharm, Chile
  • Dicloridrato de Hidroxizina Nova Quimica
    Nova Química Farmacêutica, Brazil
  • Droxy
    Nova Química Farmacêutica, Brazil
  • Efidac 5%
    Olvos Science, Greece
  • Fasarax
    Laboratorio Prater, Chile
  • Fedox
    Recalcine, Paraguay
  • Hadarax
    Greater Pharma, Thailand
  • Hiderax Lafrancol
    Abbott, Colombia
  • Hidroalerg
    Sigma Pharma Nature's Plus Farm. Ltda., Brazil
  • Hidroxin 10mg
    Dispert, Uruguay
  • Hidroxin 25mg
    Dispert, Uruguay
  • Hidroxizina Bluefish
    Bluefish, Spain
  • Histacalmine [+ Chlorphenamine] [veterinary use]
    Virbac, France
  • Histaderm [+ Chlorphenamine] [veterinary use]
    Sogeval, France
  • Histan
    Siam Bheasach, Thailand
  • Hixilerg
    EMS, Brazil
  • Hixizine
    Theraskin, Brazil
  • Hizin
    Daiichi, Thailand
  • Hoxidrin
    Globo, Brazil
  • Hydroxizin Alternova
    Orifarm Generics, Sweden
  • Hydroxyzine Bluefish
    Bluefish, Norway; Bluefish Pharma, Sweden; Bluefish Pharmaceuticals, Denmark
  • Hydroxyzine Bristol
    Bristol, Malta
  • Hydroxyzine Europharm
    Europharm, Hong Kong
  • Hydroxyzine HCL Sandoz
    Sandoz, Canada
  • Hydroxyzine Hydrochloride
    Amneal Pharmaceuticals, United States; ECI Pharmaceuticals, United States; Elite, United States; Fresenius Kabi, United States; Heritage, United States; Hetero, United States; Hi-Tech, United States; InvaGen, United States; KVK-TECH, United States; Luitpold Pharmaceuticals, United States; Mylan, United States; Northstar, United States; Nuvo Pharmaceuticals, United States; Pliva, United States; Prinston, United States; Silarx Pharmaceuticals, United States; Vintage, United States; Wockhardt, United States
  • Hydroxyzine Orifarm
    Orifarm Generics, Denmark; Orifarm Generics, Norway; Orifarm Generics, Sweden
  • Hydroxyzine Orion
    Orion Pharma, Sweden
  • Hydroxyzine Renaudin
    Renaudin, France
  • Hydroxyzine-2 HCL
    UCB Pharma, Netherlands
  • Hydroxyzinum
    ICN, Lithuania
  • Hydroxyzinum Aflofarm
    Aflofarm Farmacja, Poland
  • Hydroxyzinum Biogened
    Biogened, Poland
  • Hydroxyzinum Espefa
    Espefa, Poland
  • Hydroxyzinum Hasco
    Hasco-Lek, Poland
  • Hydroxyzinum Polfarmex
    Polfarmex, Poland
  • Hydroxyzinum Teva
    Teva Pharmaceuticals, Poland
  • Hydroxyzinum VP
    PharmaSwiss, Poland
  • Iterax
    GlaxoSmithKline, Philippines; UCB Pharma, Indonesia
  • Marax [+ Ephedrine, + Theophylline]
    Pfizer, Pakistan
  • Neurolax
    Balkanpharma, Bulgaria; Balkanpharma-Dupnitsa, Bulgaria
  • Nexit
    D & M Pharma, Chile
  • Nirax
    Golden Horse, Taiwan
  • Novo-Hydroxyzin
    Teva Canada, Canada
  • Otarex 25mg
    Teva, Israel
  • Practicum [+ Flunitrazepam]
    Pharmetica, Paraguay
  • Prurid
    Pharmetica, Paraguay
  • Pruri-Gran
    Legrand/Tarja, Brazil
  • Qualidrozine
    Quality Pharm, Hong Kong
  • Taraxin
    T.O. Chemicals, Thailand
  • Ucerax
    UCB, Ireland
  • Vetaraxoid [+ Prednisolone] [veterinary use]
    Pfizer Italia, Italy; Zoetis, Finland
  • Atarax-P
    Pfizer Japan, Japan
  • Atarax-P 0.5%
    Pfizer Japan, Japan
  • Atarax-P 10%
    Pfizer Japan, Japan
  • Atarax-P 2.5%
    Pfizer Japan, Japan
  • Hydroxyzine Pamoate
    Barr, United States; Heritage, United States; IMPAX Laboratories, United States; Nisshin Pharmaceutical, Japan; Sandoz, United States
  • Vistaril
    Pfizer, Taiwan; Pfizer U.S., United States


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.