ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antihypertensive agent

Peripheral vasodilator

Chemical Name

1,4-Phthalazinedione, 2,3-dihydro-, dihydrazone

Foreign Names

  • Dihydralazinum (Latin)
  • Dihydralazin (German)
  • Dihydralazine (French)
  • Dihidralazina (Spanish)

Generic Names

  • Dihydralazine (OS: BAN, DCF)
  • Diidralazina (OS: DCIT)
  • C 7441 (IS)
  • Casella 532 (IS)
  • Dihydralazine Sulfate (OS: BANM)
  • Dihydralazine (sulfate de) hydraté (PH: Ph. Eur. 7)
  • Dihydralazine sulfate, hydrated (PH: Ph. Eur. 7)
  • Dihydralazine Sulphate, Hydrated (PH: BP 2011)
  • Dihydralazini sulfas hydricus (PH: Ph. Eur. 7)
  • Dihydralazinsulfat, Wasserhaltiges (PH: Ph. Eur. 7)
  • Dihydralazine methanesulfonate (IS)
  • Dihydralazini mesilas (PH: Ph. Helv. 8)

Brand Names

  • Adelphan-Esidrex (Dihydralazine and Reserpine, Hydrochlorothiazide)
    Sandoz, Georgia
  • Adelphane (Dihydralazine and Reserpine)
    Novartis, India
  • Depressan
    Altana, Hungary; Nycomed, Germany
  • Nepresol
    IFET, Greece; Novartis, India; Novartis, Thailand; Teofarma, Germany
  • Nepresol forte
    Teofarma, Germany
  • Triniton (Dihydralazine and Reserpine, + Hydrochlorothiazide)
    Apogepha, Germany
  • Nepresol
    Teofarma, Germany
  • Népressol
    Genopharm, France

International Drug Name Search


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)

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The Drugs.com 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.