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In the US, Chlorcyclizine (chlorcyclizine/phenylephrine systemic) is a member of the drug class antihistamines and is used to treat Allergic Rhinitis.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antiallergic agent

Histamine H₁-receptor antagonist (H₁-antihistaminic)

Chemical Name

Piperazine, 1-[(4-chlorophenyl)phenylmetyl]-4-metyl-

Foreign Names

  • Chlorcyclizinum (Latin)
  • Chlorcyclizin (German)
  • Chlorcyclizine (French)
  • Clorciclizina (Spanish)

Generic Names

  • Chlorcyclizine (OS: BAN, DCF)
  • Clorciclizina (OS: DCIT)
  • Compound 47-282 (IS)
  • Chlorcyclizine Hydrochloride (OS: BANM)
  • Chlorcyclizine (chlorhydrate de) (PH: Ph. Eur. 8)
  • Chlorcyclizine Hydrochloride (PH: BP 2016, USP XXI)
  • Chlorcyclizine hydrochloride (PH: Ph. Eur. 8)
  • Chlorcyclizinhydrochlorid (PH: Ph. Eur. 8)
  • Chlorcyclizini hydrochloridum (PH: Ph. Eur. 8, Ph. Int. 2)

Brand Names

  • Ahist
    Magna Pharmaceuticals, United States
  • Biclora (Chlorcyclizine and Clofedanol)
    Hawthorn, United States
  • Dallergy (Chlorcyclizine and Phenylephrine)
    Laser Pharmaceuticals, United States
  • NasOpen (Chlorcyclizine and Pseudoephedrine)
    GM Pharmaceuticals, United States
  • Primatour (Chlorcyclizine and Cinnarizine)
    Meda, Netherlands
  • Stahist AD (Chlorcyclizine and Pseudoephedrine)
    Magna Pharmaceuticals, United States
  • Zimin
    New Chemical, Taiwan


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
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

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