Pathologic Function
adverse reaction
[ ad-vurs, ad-vurs ree-ak-shuhn ]
Definitions related to adverse reactions:
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(adverse effect) An unexpected medical problem that happens during treatment with a drug or other therapy. Adverse effects do not have to be caused by the drug or therapy, and they may be mild, moderate, or severe.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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A response to a medicinal product, devices, or procedures, which is noxious and unintended. Response in this context means that a causal relationship between a medicinal product and an adverse event is at least a reasonable possibility. In the context of drug development, the term is used as a synonym of adverse drug reaction. (After ICH E2A)CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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Any noxious and unintended response(s) to a medical product or procedure, for which a causal relationship with this product or procedure is at least a reasonable possibility i.e., the relationship cannot be ruled out.NCI ThesaurusU.S. National Cancer Institute, 2021
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Indicates that the observation is of an unexpected negative occurrence in the subject suspected to result from the subject's exposure to one or more agents. Observation values would be the symptom resulting from the reaction.NCI Health Level 7 VocabularyU.S. National Cancer Institute, 2018
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