Chapter 38

Cutaneous Manifestations of Gram-negative Infections

Saul N. Faust

Saul N. Faust

NIHR Southampton Clinical Research Facility, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK

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Diane Gbesemete

Diane Gbesemete

NIHR Southampton Clinical Research Facility, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK

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Robert S. Heyderman

Robert S. Heyderman

University College London, London, UK

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First published: 20 November 2019

Summary

Gram-negative infections are a rare but potentially life-threatening cause of cutaneous lesions, often requiring urgent recognition and treatment. This chapter discusses the pathophysiology, clinical features and management of the most common Gram-negative infections.

Neisseria meningitidis is a common human nasopharyngeal commensal. In a minority of individuals it causes invasive, life-threatening disease. The cutaneous features are often recognizable at presentation and may cause significant morbidity.

Pseudomonas aeruginosa can cause both localized primary skin lesions and systemic infection with cutaneous manifestations. Pseudomonal skin infections are more commonly, but not exclusively, seen in immunocompromised individuals.

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