adverse event

Pronunciation:(AD-vers eh-VENT)

Definition: An unexpected medical problem that happens during treatment with a drug or other therapy. Adverse events do not have to be caused by the drug or therapy, and they may be mild, moderate, or severe. Also called adverse effect.Cancer.govPatient

fenómeno adversoProblema médico inesperado que sucede durante el tratamiento con un medicamento u otra terapia. La causa de los fenómenos adversos no es necesariamente el medicamento o el tratamiento; ellos pueden ser leves, moderados o graves. También se llama efecto adverso.Cancer.govPatient2005-10-24 Date last modified: 2009-02-12