The WHO Adverse Reactions Terminology (WHOART) is a dictionary meant to serve as a basis for rational coding of
adverse reaction
An adverse effect is an undesired harmful effect resulting from a medication or other intervention, such as surgery. An adverse effect may be termed a "side effect", when judged to be secondary to a main or therapeutic effect. The term complica ...
terms. The system is maintained by the
Uppsala Monitoring Centre
Uppsala Monitoring Centre (UMC), located in Uppsala, Sweden, is the field name for the World Health Organization Collaborating Centre for International Drug Monitoring. UMC works by collecting, assessing and communicating information from member c ...
(UMC), the
World Health Organization
The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health. The WHO Constitution states its main objective as "the attainment by all peoples of the highest possible level of h ...
Collaborating Centre for International Drug Monitoring. The system is no longer actively maintained.
Structure
* 32 System-organ classesbody organ groups
* 180 High level terms for grouping Preferred terms
* 2085 Preferred terms principal terms for describing adverse reactions
* 3445 Included terms synonyms to Preferred terms
See also
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Pharmacovigilance
Term Given By Tushar Sharma (UPES Batch 2025)
Pharmacovigilance (PV, or PhV), also known as drug safety, is the pharmaceutical science relating to the "collection, detection, assessment, monitoring, and prevention" of adverse effects with pharma ...
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COSTART
The Coding Symbols for a Thesaurus of Adverse Reaction Terms (COSTART) was developed by the United States Food and Drug Administration (FDA) for the coding, filing and retrieving of post-marketing adverse reaction reports. COSTART provides a metho ...
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MedDRA
A subscription-based product of the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH), MedDRA or Medical Dictionary for Regulatory Activities is a clinically validated international medical te ...
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Adverse event
An adverse event (AE) is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have a causal relationship with this treatment. An adverse event can ther ...
References
WHO Adverse Reactions Terminology
Medical classification
Pharmacological classification systems
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