Preferred Name

Side Effect

Synonyms
Definitions

The term was used in various ways in the past, to describe unintended effects of medical intervention, usually negative (unfavourable), but also positive (favourable) ones. It is recommended that this term no longer be used and particularly should not be regarded as synonymous with adverse event or adverse reaction.

ID

http://purl.obolibrary.org/obo/NCIT_C2861

ALT_DEFINITION

A problem that occurs when treatment affects healthy tissues or organs. Some common side effects of cancer treatment are fatigue, pain, nausea, vomiting, decreased blood cell counts, hair loss, and mouth sores.

Any actions or effects of a drug or treatment other than the intended effect. Negative or adverse effects may include headache, nausea, hair loss, skin irritation, or other physical problems. Experimental drugs must be evaluated for both immediate and long-term side effects. [After Spilker, B. Guide to Clinical Trials. Lippincott Williams & Wilkins. 2000. Page xxiv; Finding and Learning about Side Effects (adverse reactions), July 2018; What are side effects?, August 2018] See also adverse reaction.

code

C2861

Contributing_Source

CDISC-GLOSS

definition

The term was used in various ways in the past, to describe unintended effects of medical intervention, usually negative (unfavourable), but also positive (favourable) ones. It is recommended that this term no longer be used and particularly should not be regarded as synonymous with adverse event or adverse reaction.

in_subset

http://purl.obolibrary.org/obo/NCIT_C67497

http://purl.obolibrary.org/obo/NCIT_C61410

label

Side Effect

Legacy Concept Name

Side_Effect

Preferred_Name

Side Effect

prefixIRI

NCIT:C2861

prefLabel

Side Effect

Semantic_Type

Finding

UMLS_CUI

C0879626

subClassOf

http://purl.obolibrary.org/obo/NCIT_C36291

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