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Tropical/Infectoparasitary Dermatology • An. Bras. Dermatol. 96 (1) • Jan-Feb 2021 • https://doi.org/10.1016/j.abd.2020.06.006   copy

Exanthematic dengue fever mimicking rubella☆ ☆ How to cite this article: Palhares D. Exanthematic dengue fever mimicking rubella. An Bras Dermatol. 2021;96:88-90. ,☆☆ ☆☆ Study conducted at the Pivate Clinic, Brasília, DF, Brazil.

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Abstract

The authors present a case of dengue fever mimicking rubella. Male patient, in the second episode of dengue fever, presented afebrile, with diffuse morbilliform rash and craniocaudal progression, having subsequently affected his palms and soles. On the third day of clinical evolution, serologies did not indicate IgM, IgG, or NS1, but on the sixth day of evolution, IgM and IgG were reactive for dengue fever. Previous episodes of dengue are a risk factor for the development of more severe conditions, but this was atypical because the patient was afebrile and had a rubelliform rash. The case also illustrates an early IgG anamnestic response, as it was a reinfection.

KEYWORDS
Dengue; Immunoglobulin E; Immunoglobulin G; Serology

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