Algorithm for Diagnosis of the Vesiculobullous Rash



Febrile, Diffuse Distribution:

 - Varicella,  Smallpox,  Disseminated, Gonococcal, Infection, Purpura Fulminans, DIC



Febrile Localised Distribution: 

 - Necrotising Fasciitis, Hand Foot & Mouth Disease 



Afebrile Diffuse Distribution 

 - Bullous Pemphigoid, Pemphigus Vulgaris 



Afebrile, Localised Distribution: 

 - Contact Dermatitis, Herpes Zoster, Dyshidrotic Eczema, Burns 



Infographic by Dr. Sam Birks @ https://twitter.com/BirksMD



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