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adverse response

[/ˈædvɜːrs rɪˈspɒns/]
nounpl: adverse responses
resposta adversa
1. An unfavorable or negative reaction to something, particularly in medical, pharmaceutical, or clinical contexts
The patient experienced an adverse response to the medication.
O paciente teve uma resposta adversa ao medicamento.
2. A harmful or unwanted effect resulting from exposure to a substance, treatment, or intervention
The vaccine showed no adverse response in clinical trials.
A vacina não apresentou resposta adversa nos ensaios clínicos.
3. A negative or hostile reaction to a proposal, action, or stimulus
The policy received an adverse response from the community.
A política recebeu uma resposta adversa da comunidade.
Synonyms
adverse reactionnegative responseharmful effectside effectuntoward effect
Antonyms
positive responsefavorable responsebeneficial effectdesired outcome

Regional Variations

General Brazilian
resposta adversa
Standard medical terminology used throughout Brazil
Portugal
resposta adversa
Standard medical terminology in European Portuguese
General Brazilian
reação adversa
Common alternative in pharmaceutical/medical contexts

Related Idioms & Phrases

have an adverse response to something
trigger an adverse response
adverse drug response (ADR)
adverse event
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