Erythematous rash: Difference between revisions

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==Background==
==Background==
*These rashes can occur in a variety of inflammatory and infectious conditions, some of which can be rapidly fatal
{{Rash red flags}}


==Clinical Features==
==Clinical Features==
*Characterized by diffuse red skin from capillary congestion, mimicking a bad sunburn.
{{Erythematous rashes images}}


==Differential Diagnosis==
==Differential Diagnosis==
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==Evaluation==
==Evaluation==
===Workup===
===Diagnosis===
*First, try applying lateral pressure to the skin and see if it sloughs ([[Nikolsky’s sign]])
*Then, to further narrow the differential, consider wither or not the patient is febrile or toxic in appearance
**Patients with an erythematous rash plus fever are also at high risk for having a deadly diagnosis


==Management==
==Management==
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==References==
==References==
<references/>
<references/>
[[Category:Dermatology]]

Latest revision as of 19:07, 17 May 2023

Background

  • These rashes can occur in a variety of inflammatory and infectious conditions, some of which can be rapidly fatal

Rash Red Flags[1]

Clinical Features

  • Characterized by diffuse red skin from capillary congestion, mimicking a bad sunburn.

Erythematous rash

Differential Diagnosis

Erythematous rash

Evaluation

Workup

Diagnosis

  • First, try applying lateral pressure to the skin and see if it sloughs (Nikolsky’s sign)
  • Then, to further narrow the differential, consider wither or not the patient is febrile or toxic in appearance
    • Patients with an erythematous rash plus fever are also at high risk for having a deadly diagnosis

Management

Disposition

See Also

External Links

References

  1. Nguyen T and Freedman J. Dermatologic Emergencies: Diagnosing and Managing Life-Threatening Rashes. Emergency Medicine Practice. September 2002 volume 4 no 9.