antagonistic effect
[ænˌtæɡəˈnɪstɪk ɪˈfɛkt]
nounpl: antagonistic effects
efeito antagônico
1. A pharmacological or biological interaction where two substances, drugs, or agents produce a combined effect that is less than the sum of their individual effects, with one substance reducing or opposing the action of another
The antagonistic effect between these two medications means the patient should not take them together.
O efeito antagônico entre esses dois medicamentos significa que o paciente não deve tomá-los juntos.
2. In biology or chemistry, a phenomenon where competing agents or forces act against each other, reducing the overall potency or outcome
The antagonistic effect of the two hormones resulted in a balanced physiological response.
O efeito antagônico dos dois hormônios resultou em uma resposta fisiológica equilibrada.
3. A general opposition or counteracting influence between two or more agents, substances, or forces
There was an antagonistic effect when combining the cleaning agents.
Houve um efeito antagônico ao combinar os agentes de limpeza.
The term 'antagonistic effect' is primarily used in scientific, medical, and pharmaceutical contexts in both Brazil and the USA. In Brazil, it is commonly encountered in pharmacy school curricula, medical practice, and drug interaction warnings. Understanding antagonistic effects is crucial for healthcare professionals to prevent adverse drug interactions and ensure patient safety. The concept is taught extensively in both English-speaking and Portuguese-speaking medical institutions.
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