Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown Origin

The causes of a pyrexia of unknown origin (PUO) are broadly spread across infectious, malignant, or inflammatory conditions. The authors report a case of a 43-year-old female who initially presented with hypoxia and fevers secondary to a presumed acute viral or bacterial infectious pulmonary insult....

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Main Authors: Varsha Sivalingam, Hillary Dinning, Johnny Fang, Yashneel Prasad, Peter Jones, Sanjaya Senanayake
Format: Article
Language:English
Published: World Scientific Publishing 2022-07-01
Series:Journal of Clinical Rheumatology and Immunology
Subjects:
Online Access:https://www.worldscientific.com/doi/10.1142/S2661341722720038
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author Varsha Sivalingam
Hillary Dinning
Johnny Fang
Yashneel Prasad
Peter Jones
Sanjaya Senanayake
author_facet Varsha Sivalingam
Hillary Dinning
Johnny Fang
Yashneel Prasad
Peter Jones
Sanjaya Senanayake
author_sort Varsha Sivalingam
collection DOAJ
description The causes of a pyrexia of unknown origin (PUO) are broadly spread across infectious, malignant, or inflammatory conditions. The authors report a case of a 43-year-old female who initially presented with hypoxia and fevers secondary to a presumed acute viral or bacterial infectious pulmonary insult. However, fevers persisted despite pulmonary imaging remaining normal. The case subsequently evolved into a PUO with multiple lines of investigation proving inconclusive. No definitive diagnosis was made at the time of discharge; however, cessation of hydralazine was noted to coincide with the last of the patient’s fevers. Following the discharge, her anti-histone antibodies returned a positive result, and the diagnosis of drug-induced lupus was made with hydralazine as the presumed trigger.
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spelling doaj.art-919533b6b533499e8559cd67aa915d232022-12-22T00:32:27ZengWorld Scientific PublishingJournal of Clinical Rheumatology and Immunology2661-34172661-34252022-07-012201313610.1142/S2661341722720038Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown OriginVarsha Sivalingam0Hillary Dinning1Johnny Fang2Yashneel Prasad3Peter Jones4Sanjaya Senanayake5Infectious Diseases Department, Canberra Hospital, ACT 2601, AustraliaInfectious Diseases Department, Canberra Hospital, ACT 2601, AustraliaInfectious Diseases Department, Canberra Hospital, ACT 2601, AustraliaRespiratory Department, Canberra Hospital, ACT 2601, AustraliaRespiratory Department, Canberra Hospital, ACT 2601, AustraliaInfectious Diseases Department, Canberra Hospital, ACT 2601, AustraliaThe causes of a pyrexia of unknown origin (PUO) are broadly spread across infectious, malignant, or inflammatory conditions. The authors report a case of a 43-year-old female who initially presented with hypoxia and fevers secondary to a presumed acute viral or bacterial infectious pulmonary insult. However, fevers persisted despite pulmonary imaging remaining normal. The case subsequently evolved into a PUO with multiple lines of investigation proving inconclusive. No definitive diagnosis was made at the time of discharge; however, cessation of hydralazine was noted to coincide with the last of the patient’s fevers. Following the discharge, her anti-histone antibodies returned a positive result, and the diagnosis of drug-induced lupus was made with hydralazine as the presumed trigger.https://www.worldscientific.com/doi/10.1142/S2661341722720038Case ReportPyrexia of Unknown OriginDrug-Induced LupusHydralazine
spellingShingle Varsha Sivalingam
Hillary Dinning
Johnny Fang
Yashneel Prasad
Peter Jones
Sanjaya Senanayake
Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown Origin
Journal of Clinical Rheumatology and Immunology
Case Report
Pyrexia of Unknown Origin
Drug-Induced Lupus
Hydralazine
title Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown Origin
title_full Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown Origin
title_fullStr Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown Origin
title_full_unstemmed Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown Origin
title_short Drug-Induced Lupus: A Forgotten Cause of Prolonged Pyrexia of Unknown Origin
title_sort drug induced lupus a forgotten cause of prolonged pyrexia of unknown origin
topic Case Report
Pyrexia of Unknown Origin
Drug-Induced Lupus
Hydralazine
url https://www.worldscientific.com/doi/10.1142/S2661341722720038
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