fébriles

Fébriles is a French adjective meaning feverish or fever-related. It describes states, symptoms, or conditions in which fever is present, and it is used to refer to patients who have a fever. In clinical writing, phrases such as signes fébriles (feverish signs) and maladie fébrile (a fever-related illness) are common.

Specific terms include crise fébrile, the French expression for a febrile seizure occurring in children, and états fébriles to refer to feverish conditions. The gender and number agree with the noun they modify; the singular form is fébrile, and the plural is fébriles.

Etymology: fébrile derives from Latin febrilis, from febris fever, and is cognate with the English word febrile.

In English medical usage, the equivalent adjective is febrile. The term is used to describe fever-related phenomena in both clinical notes and medical literature, and it often appears in phrases referencing fever signs, febrile illnesses, or febrile seizures.