17 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Characteristic features of the rash are:

-Rough texture (like sandpaper)
-Worse in the skin folds e.g. groin, axilla,
features of the rash ... Pastia’s lines) #Clinical ... #Dermatology #Peds ... #Pediatrics #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... #Nodosum #Causes ... Differential Diagnosis #Dermatology ... #SkinRash #Clinical
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Images #Clinical ... #Dermatology #SkinRash ... #Erythema #ENodosum
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... potential inciting causes ... Haverhill fever caused ... Rash is usually ... differential #diagnosis #dermatology
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Most cases are idiopathic ... Centrifugum #EAC #clinical ... #photo #dermatology ... #skinrash
Tinea Pedis: Scaly red erruption of the feet caused by fungal dermatitis.

Charlie Goldberg, M.D. - UCSD
Tinea Pedis: Scaly ... erruption of the feet caused ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Tinea
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... hyperkeratotic w/ erythema ... Variety #type #clinical ... #photo #foot #dermatology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... marine microbiota & causes ... immunosuppressive meds ... #cellulitis #dermatology ... #legs #clinical