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Revista alergia México
On-line version ISSN 2448-9190
Abstract
LOPEZ, Catalina and CARDONA, Ricardo. Urticaria associated with COVID-19 in allergic patients. A case series. Rev. alerg. Méx. [online]. 2021, vol.68, n.3, pp.214-217. Epub Dec 06, 2021. ISSN 2448-9190. https://doi.org/10.29262/ram.v68i3.869.
Introduction:
In December 2019, a new coronavirus was identified as the causal agent of the 2019 coronavirus disease (COVID-19) with a wide clinical spectrum that goes from asymptomatic cases to critical and fatal cases. Its usual manifestations are fever, cough, and fatigue; although some cases present skin lesions.
Cases report:
The first case was a 30-year-old woman with a history of controlled solar urticaria who presented erythematous and pruritic wheals in malar and cervical regions and extremities; associated with general malaise, headaches, and nausea, in whom the presence of COVID-19 was confirmed; her condition improved with a quadruple dose of antihistamines. The second case was a 47-year-old woman with a history of wasp sting anaphylaxis, without mastocytosis, who presented nasal congestion, headaches, and hypogeusia associated with generalized, erythematous, and pruritic wheals, with confirmation of COVID-19; her condition improved with quadruple doses of antihistamines.
Conclusions:
Cutaneous manifestations associated with COVID-19 are frequent and can be classified as inflammatory and vascular. Among them, urticarial lesions occupy the fourth place, and although there could be some predominance of these in patients with a history of allergies, more studies are required to define an association.
Keywords : COVID-19; Cutaneous manifestations; Urticaria.