Erythematous Rashes - THE ALGORITHMIC APPROACH

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Erythematous Rashes - THE ALGORITHMIC APPROACH


Characterized by diffuse redness of the skin due to

capillary congestion, erythematous rashes (Figure 2,

page 9) are differentiated from other rashes based

on the presence or absence of fever and the Nikolsky

sign. If these factors are present, the diagnosis is

narrowed substantially, usually to TEN in adults and

staphylococcal scalded skin syndrome (SSS) in infants

and young children. If fever is present without

the Nikolsky sign, the differential diagnosis includes

Kawasaki disease, scarlet fever, and toxic shock syndrome

(TSS). Those patients with an erythematous

rash but without a fever or Nikolsky sign may be

having an anaphylactic reaction or an exposure reaction

to scombroid or alcohol. 


#Diagnosis #Dermatology #Erythematous #Rash #Algorithm #Nikolsky #Febrile #Fever #Differential
Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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