essential fever

es·sen·tial fe·ver

fever without known infectious disease.
Farlex Partner Medical Dictionary © Farlex 2012

essential fever

An older term for:
(1) Fever of unknown origin, see there; or
(2) A nonspecific term for any non-infectious pyrexia.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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