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The abatement of a fever.

[From Latin dēfervēscēns, dēfervēscent-, present participle of dēfervēscere, to stop boiling, cool off : dē-, de- + fervēscere, to grow hot, inchoative of fervēre, to be hot, boil; see bhreu- in Indo-European roots.]

de′fer·vesce′ (-vĕs′) v.
de′fer·ves′cent adj.


1. (Medicine) the abatement of a fever
2. (Medicine) the period during which this occurs


(ˌdi fərˈvɛs əns, ˌdɛf ər-)
abatement of fever.
[1865–70; < German Deferveszenz < Latin dēfervēsc(ent-)=dē- de- + fervēscere to begin to boil. See effervescent]
de`fer•ves′cent, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.defervescence - abatement of a fever as indicated by a reduction in body temperature
abatement, hiatus, reprieve, respite, suspension - an interruption in the intensity or amount of something
References in periodicals archive ?
Whereas the median time from symptom onset to initiation of treatment was 12 days, the median time from initiation of doxycycline treatment to defervescence was only 1 day.
There was no statistically significant difference in mean time for defervescence of fever and in mean hospital stay duration between those received ceftriaxone alone and ceftriaxone with other antibiotics (Table 3).
Once defervescence occurs, an erythematous morbilliform exanthem appears.
Leukopenia appeared to persist for 5 to 7 days following fever defervescence in our hospitalized patients.
3,8) Although there are no definite guidelines regarding duration of anticoagulation therapy for cases of OVT, febrile patients should be anticoagulated for at least 48 hours after defervescence.
The critical phase begins around the time of defervescence.
Dapsone, rifampin and clofazimine were introduced and the patient's condition improved the following weeks with discoloration of skin lesions and defervescence.
Association between proinflammatory cytokines and lipid peroxidation in patients with severe dengue disease around defervescence.
Defervescence, typically 3-7 days after illness onset, defines the start of the critical phase, which typically lasts 24-48 hours.
The platelets usually drop to below 100000/mm3 in febrile phase or around defervescence and may remain low for the first few days of recovery.
Bacteraemia (isolation of the same organism with identical antibiogram from blood drawn from peripheral veins and CVC), clinical manifestations of sepsis, defervescence after removal of the implicated catheter, but without laboratory confirmation of CVC colonization.