16 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
: In this case, ... Nodosum has occured secondary ... Streptococcal infection ... #Dermatology #SkinRash ... #Photo #UCSDH
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Usually composed ... on the back of hands ... and include: infections ... #differential #diagnosis ... #dermatology #compared
Drug Erruption: Extensive maculo-papular rash secondary to allergic reaction to Amoxicillin.
Chest and hand are shown above.

Charlie
maculo-papular rash ... secondary to allergic ... Chest and hand are ... #Dermatology #SkinRash ... Amoxicillin #Palms #Photo
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Viral: Measles, Infectious ... Zoster, Coxsackie (hand ... Meningococcal meningitis, Secondary ... Noninfectious: SJS/TEN, Erythema
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... treatment, the infection ... the palms of the hands ... #Rash #Diagnosis ... #Clinical #Photo
Kawasaki Disease (KD) - Diagnosis and Management Summary

Kawasaki Disease (KD) is the most common vasculitis of
, Hand edema, Lymphadenopathy ... , Cough • +/-Nausea ... cæxist with other infections ... Erythema of palms ... soles, edema of hands
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Secondary to venous ... tapioca-like vesicles on hands ... Well-demarcated erythema ... #Algorithm #causes
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
rigors, diarrhea, nausea ... A key here is what ... purpura fulminans secondary ... - BIDMC Infectious ... #clinical #photo
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... pus • Material composed ... Irregular pustules on hands ... Generalized itchy rash ... Secondary syphilis
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- Rash, pink ... soles in 50% of cases ... tinea-mimicker or heaped-up ... to asymptomatic infection ... Latent #Tertiary #Diagnosis