Article Text
Summary
Drug fever caused by dalteparin-sodium (DS), a low-molecular-weight derivative of heparin, is neither listed in the official drug information and nor published as a case report until today. A preterm infant, born at 26 weeks of gestation, developed fever 2 days after starting a treatment with DS for an intracardial thrombus. The fever reverses soon after changing the treatment to unfractionated heparin and reappeared after reintroduction of DS. Once again, after discontinuing DS, the infant regained normothermia. Bacterial and viral infections, tissue damage, impaired liver or kidney function, preservative agents and comedications could be ruled out as fever origin. By using the Naranjo adverse drug reaction (ADR) probability scale and the Liverpool ADR causality assessment tool, this case can be classified as ‘probable ADR’ and ‘definite ADR’. This is the first case report of a drug fever caused by the low-molecular-weight heparin DS in a preterm infant.
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Footnotes
Contributors DW and SO recognised the adverse event, collected the data and did the literature research. PN provided essential background information and did the research in the pharmacovigilance databases. DW, SO and PN wrote the case report.
Funding Financial support was provided through Regional Agreement on Medical Training and Clinical Research (ALF), project 20130324, between the Stockholm County Council and Karolinska Institutet.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.