Systemic and erythrodermic reactions following repeated exposure to bites from the Common bed bug Cimex lectularius (Hemiptera: Cimicidae)

Rashi Minocha, Changlu Wang, Kai Dang, Cameron Ewart Webb, Pablo Fernández-Peñas, Stephen Lindsay Doggett

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Bed bugs (Cimex spp.) have undergone a global resurgence over the last 15–20 years. They readily bite humans, producing a range of cutaneous reactions. This article documents systemic reactions in two patients following repeated bites from the common bed bug, Cimex lectularius. Both patients had previously fed bed bugs on themselves without any serious complication, however upon feeding a new batch of the insects subsequently developed systemic urticarial reactions. Patient 1 fed 40–50 bed bugs on himself and after 8 min, he developed itch, swelling of the face, lethargy, profuse sweating and widespread wheals on the torso and limbs. The reaction disappeared in 5 h after treatment with systemic prednisone and antihistamines. Patient 2 developed a similar reaction after feeding five to six bed bugs on himself. In this case, the patient also developed chest tightness and breathing difficulties. Following a similar treatment, symptoms disappeared in 4 h. In light of the increasing exposure of this insect to the general public, systemic reactions in patients may present more commonly to the medical practitioner.

Original languageEnglish (US)
Pages (from-to)345-347
Number of pages3
JournalAustral Entomology
Volume56
Issue number3
DOIs
StatePublished - Aug 2017

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Agronomy and Crop Science
  • Insect Science

Keywords

  • clinical
  • dermatology
  • medical entomology

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