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

In the US, Pyrimethamine (pyrimethamine systemic) is a member of the drug class miscellaneous antimalarials and is used to treat Malaria Prevention, Pneumocystis Pneumonia Prophylaxis, Toxoplasmosis and Toxoplasmosis - Prophylaxis.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Antiprotozoal agent: Antimalarial

Chemical Name

2,4-Pyrimidinediamine, 5-(4-chlorophenyl)-6-etyl-

Foreign Names

Generic Names

  • Pirimetamina (OS: DCIT)
  • Pyrimethamine (OS: JAN, BAN)
  • Pyriméthamine (OS: DCF)
  • Pyrimethamin (PH: Ph. Eur. 8)
  • Pyrimethamine (PH: BP 2016, Ph. Eur. 8, Ph. Int. 4, USP 38)
  • Pyrimethaminum (PH: Ph. Eur. 8, Ph. Int. 4)

Brand Names

  • Amalar (Pyrimethamine and Sulfadoxine)
    Bloom, Pakistan; Brown & Burk, Kenya; Micro B & B, India
  • Amalar Forte (Pyrimethamine and Sulfadoxine)
    Micro B & B, India
  • Anitmala (Pyrimethamine and Sulfadoxine)
    Irza, Pakistan
  • Antifocinc (Pyrimethamine and Sulfadoxine)
    Nenza Pharma, Pakistan
  • Croydoxin-FM (Pyrimethamine and Sulfadoxine)
    GlaxoSmithKline, India
  • Daraprim
    Amedra Pharma, United States; CDC / DOH, Taiwan; Duncan, Spain; Farmoquimica, Brazil; GlaxoSmithKline, Argentina; GlaxoSmithKline, Australia; GlaxoSmithKline, Canada; GlaxoSmithKline, Switzerland; GlaxoSmithKline, Chile; GlaxoSmithKline, Germany; GlaxoSmithKline, Egypt; GlaxoSmithKline, Hong Kong; GlaxoSmithKline, Lithuania; GlaxoSmithKline, Netherlands; GlaxoSmithKline, Oman; GlaxoSmithKline, South Africa; GlaxoSmithKline UK, United Kingdom; GSK, Belgium; Kemofarmacija, Slovenia; LENIS, Slovenia
  • Falcistat (Pyrimethamine and Pyrimethamine)
    Remedica, Cyprus
  • Fansidar (Pyrimethamine and Sulfadoxine)
    Martin Dow, Pakistan; Roche, United Arab Emirates; Roche, Brazil; Roche, France; Roche, Indonesia; Roche, Oman; Roche, Philippines; Roche, South Africa
  • Laridox (Pyrimethamine and Sulfadoxine)
    IPCA, India
  • Laridox Forte (Pyrimethamine and Sulfadoxine)
    IPCA, India
  • Malacide (Pyrimethamine and Sulfadoxine)
    Square, Bangladesh
  • Malason (Pyrimethamine and Sulfadoxine)
    Hudson, Bangladesh
  • Malex (Pyrimethamine and Sulfadoxine)
    Ibn Sina, Bangladesh
  • Malocide
    Sanofi-Aventis, France
  • Metakelfin (Pyrimethamine and Sulfalene)
    Pfizer Italia, Italy
  • Océcoxil (Pyrimethamine and Sulfadimethoxine (veterinary use))
    Virbac, France
  • Pirimetamina Labesfal
    Labesfal, Portugal
  • Plasmodin (Pyrimethamine and Sulfadoxine)
    Ifars, Indonesia
  • Primet
    Kimia Farma, Indonesia
  • Pyralfin (Pyrimethamine and Sulfadoxine)
    Lupin, India
  • Pyrimethamine Minsheng
    Minsheng, China
  • Pyrison
    Jayson, Bangladesh
  • ReBalance (Pyrimethamine and Sulfadiazine (veterinary use))
    Pegasus, United States
  • Suldox (Pyrimethamine and Sulfadoxine)
    Actavis, Indonesia
  • Sulfadoxine-Pyrimethamine Indo Farma (Pyrimethamine and Sulfadoxine)
    Indofarma, Indonesia
  • Sulfamin (Pyrimethamine and Sulfadoxine)
    Jayson, Bangladesh


BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
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.