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Silica, Colloidal Hydrated

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


Ph. Eur.

CAS registry number (Chemical Abstracts Service)


Chemical Formula


Therapeutic Category

Antidiarrheal agent: Intestinal adsorbent

Chemical Name

Silicon Dioxide, hydrated

Foreign Names

  • Silica colloidalis hydrica (Latin)
  • Siliciumdioxid-Hydrat (German)
  • Silice colloïdale hydratée (French)

Generic Names

  • Hydrated Silica (IS)
  • Kieselsol (IS)
  • Opal (IS)
  • Silica Gel (IS)
  • Silicic Acid (IS)
  • Silica colloidalis hydrica (PH: Ph. Eur. 8)
  • Silica, Colloidal Hydrated (PH: BP 2016)
  • Silica, colloidal hydrated (PH: Ph. Eur. 8)

Brand Names


ISInofficial Synonym
PHPharmacopoeia Name
Ph. Eur.European Pharmacopoeia

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.