Skip to Content

Sodium Citrate

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

In the US, Sodium Citrate (citric acid/sodium citrate systemic) is a member of the following drug classes: laxatives, urinary pH modifiers and is used to treat GERD and Indigestion.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Food additive (e number)

Laxative: Enema

Treatment of dehydration

Treatment of metabolic acidosis

Treatment of tying up syndrome in horses

Used in salt solutions

Chemical Names

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt (USP)

Trisodium 2-hydroxy-1,2,3-propanetricarboxylate (Ph. Int.)

Trisodium Citrate (Ph. Int.)

Foreign Names

  • Natrii citras anhydricus (Latin)
  • Natriumcitrat wasserfrei (German)
  • Citrate de sodium anhydre (French)
  • Citrato trisódico anhidro (Spanish)

Generic Names

  • CCRIS 3293 (IS)
  • E 331 (IS: E Number)
  • Natrium citricum tribasicum (IS)
  • UNII-1Q73Q2JULR (IS)
  • Natrii citras (PH: Ph. Eur. 8, Ph. Int. 4)
  • Sodium citrate (PH: Ph. Eur. 8)
  • Sodium Citrate (PH: Ph. Int. 4, USP 38)
  • Sodium Citrate Hydrate (OS: JAN)
  • Natriumcitrat (PH: Ph. Eur. 8)
  • Sodium (citrate de) (PH: Ph. Eur. 8)
  • Sodium Citrate (PH: BP 2016, Ph. Eur. 8, Ph. Int. 4, USP 38)
  • Sodium Citrate Hydrate (PH: JP XVI)

Brand Names

  • Alkasolve (Sodium Citrate and Potassium Citrate)
    Sam-On, Israel
  • Axcel Diphenhydramine Paediatric (Sodium Citrate and Ammonium Chloride, + Diphenhydramine (pediatric))
    Kotra Pharma, Malaysia
  • Baby Cough Syrup Atlantic (Sodium Citrate and Acetic Acid, + Ammonium (pediatric))
    Atlantic Lab, Thailand
  • Bena (Sodium Citrate and Diphenhydramine, + Ammonium Chloride)
    Xepa-Soul Pattinson, Malaysia
  • Bena (Sodium Citrate and Diphenhydramine, + Ammonium)
    Xepa-Soul Pattinson, Hong Kong
  • Benadryl Cough (Sodium Citrate and Diphenhydramine, + Ammonium, + Levomenthol)
    Johnson & Johnson, Thailand
  • Bi Citrol (Sodium Citrate and Sodium Dihydrogen Citrate)
    Delbert, France
  • Bicitra (Sodium Citrate and Citric Acid)
    Alza, United States
  • Casacol (Sodium Citrate and Guaifenesin, + Methoxyphenamine)
    Phoenix Healthcare, Malta
  • Citra pH
    ValMed, United States
  • Citramin Fuso
    Fuso Pharmaceutical, Japan
  • Citramin Fuso 4%
    Fuso Pharmaceutical, Japan
  • Citrolith (Sodium Citrate and Potassium Citrate)
    Beach Products, United States
  • Cystoplus
    PendoPharm, Canada
  • Dalmacol (Sodium Citrate and Doxylamine, + Etafedine, + Hydrocodone)
    Laboratoire Riva, Canada
  • Diphendryl (Sodium Citrate and Diphenhydramine, + Ammonium, + Levomenthol)
    T.O. Chemicals, Thailand
  • Eno
    GlaxoSmithKline Consumer Healthcare, Canada
  • Equisit (veterinary use)
    FIT, Netherlands
  • Gallium Citrate (Sodium Citrate and Gallium Citrate)
    Soreq, Israel
  • Histodryl (Sodium Citrate and Diphenhydramine, + Ammonium, + Levomenthol)
    Biolab, Thailand
  • Hova Expectorant (Sodium Citrate and Diphenhydramine, + Ammonium)
    Hovid, Hong Kong
  • Microlax (Sodium Citrate and Sodium Lauryl Sulfoacetate)
    Jaba, Portugal; McNeil, Denmark; McNeil, Ireland; McNeil, Lithuania; McNeil, Norway; McNeil, Sweden; McNeil Aps, Iceland; McNeil CH, Germany
  • Microlax (Sodium Citrate and Sodium Lauryl Sulfoacetate (veterinary use))
    McNeil, Norway; McNeil, Sweden
  • Microlax (Sodium Citrate and Sorbitol, + Sodium Lauryl Sulfoacetate)
    McNeil, Belgium; McNeil, Estonia
  • Mucobron (Sodium Citrate and Guaifenesin)
    Medi-Rx, Philippines
  • Mucolexin (Sodium Citrate and Dextromethorphan, + Guaifenesin)
    Pediatech, Singapore
  • Neutracid (Sodium Citrate and Citric Acid (veterinary use))
    S.E.O.A. Vétérinaire, France
  • Neutralyte (veterinary use)
    Stride Distributors, South Africa
  • Neutra-Syrup (veterinary use)
    International Animal Health, Australia; International Animal Health Products Ltd, New Zealand
  • Oracit (Sodium Citrate and citric acid)
    Carolina Medical Products, United States
  • Oral Rehydration Salts (Sodium Citrate and Potassium chloride, + Glucose, + Sodium chloride)
    DHA, Hong Kong
  • Phencol Expectorant (Sodium Citrate and Ammonium, + Diphenhydramine)
    Christo, Hong Kong
  • Regiocit (Sodium Citrate and Sodium Chloride)
    Gambro Lundia, Malta; Gambro Lundia AB, Estonia
  • Relaxit
    Crawford Pharmaceuticals, Lebanon
  • Sodium Citrate Biomed
    Biomed, New Zealand
  • Sodium Citrate Hydrate
    Kozakai Seiyaku, Japan
  • Sodium Citrate Hydrate Nikko
    Nikko Seiyaku, Japan
  • Uni-Phen Expectorant (Sodium Citrate and Diphenhydramine, + Levomenthol, + Ammonium)
    Universal Pharm, Hong Kong
  • Uni-Phen Expectorant (Sodium Citrate and Levomenthol, + Ammonium, + Sodium)
    Universal Pharm, Hong Kong
  • Uni-Ramine Expectorant (Sodium Citrate and Ammonium, + Chlorphenamine)
    Universal Pharm, Hong Kong
  • Vetsense Neutracid (veterinary use)
    CM Laboratories P/L, Australia
  • Xitrin (Sodium Citrate and Potassium Citrate)
    Nippon Chemiphar, Thailand
  • Boots Cystitis Relief
    The Boots Company, United Kingdom
  • CanesOasis Cystitis Relief
    Bayer, United Kingdom
  • Canesten Oasis
    Bayer, United Kingdom; Ecosse, Malta; Wrafton - Perrigo, Malta
  • Clisteran (Sodium Citrate and Sodium Lauryl Sulfoacetate)
    Lainco, Spain
  • Cytra-2 (Sodium Citrate and Citric Acid)
    Cypress, United States
  • Dicitrate
    Pharmascience, Singapore
  • Micralax (Sodium Citrate and Sodium Lauryl Sulfoacetate)
    Johnson & Johnson, Spain
  • Microlax (Sodium Citrate and Sodium Lauryl Sulfoacetate)
    Janssen-Cilag, Switzerland
  • Microlax (Sodium Citrate and Sorbitol, + Sodium Lauryl Sulfoacetate)
    Johnson & Johnson, Finland
  • Neutramax (Sodium Citrate and Citric Acid (veterinary use))
    Ranvet, Australia
  • Neutramax (Sodium Citrate and Sodium Citrate (veterinary use))
    Ranvet, Australia
  • PMS-Dicitrate (Sodium Citrate and Citric Acid)
    Pharmascience, Canada


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Ph. Int.Pharmacopoea Internationalis
USPPharmacopoeia of the United States

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.