Impressive bullous reaction to mosquito bites

Severe reactions, mainly local but also systemic in rare cases, are possible Common skin manifestations to mosquito bites are either instant hypersensitivity reactions mediated by mast cells resulting in urticarial papules that usually disappear in less than 20 min, or delayed hypersensitivity react...

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Bibliographic Details
Published in:	BMJ case reports Vol. 12; no. 11; p. e232791
Main Authors:	Mai, Sara, Mansouri, Siham, Ismaili, Nadia, Senouci, Karima
Format:	Journal Article
Language:	English
Published:	England BMJ Publishing Group LTD 01-11-2019 BMJ Publishing Group
Subjects:	Adult Allergies Animals Asthma Blister - etiology Case reports Culicidae Family medical history Female Humans Images In Insect bites Insect Bites and Stings - complications Mosquitoes Skin dermatology allergy, asthma
Online Access:	Get full text
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Summary:	Severe reactions, mainly local but also systemic in rare cases, are possible Common skin manifestations to mosquito bites are either instant hypersensitivity reactions mediated by mast cells resulting in urticarial papules that usually disappear in less than 20 min, or delayed hypersensitivity reaction with pruritic papules that resolves in few days.1 More unusual local reactions have been described such as vesicular or purpuric or bullous reactions, as it was the case in our patient. Several risk factors to these severe reactions have been described such as young age, change of usual environment (immigrants, travellers) and Epstein-Barr virus-associated natural killer/T lymphoproliferative diseases.4 5 Prevention is the most important part of the treatment. [...]long-time follow-up is essential for these patients.
ISSN:	1757-790X 1757-790X
DOI:	10.1136/bcr-2019-232791