20 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Nodosum has occured secondary ... Streptococcal infection ... #Dermatology #SkinRash ... #Photo #UCSDH
V2 Distribution Zoster: Patient with herpes zoster infection of the maxillary branch of the fifth cranial
: Patient with herpes ... zoster infection ... sensation to the cheek and ... #SkinRash #Zoster ... #Shingles #Face
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
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
extensive edema, erythema ... bullae formation, and ... at the site of infection ... #Photo #Dermatology ... #SkinRash #Necrotizing
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... patches on the face ... on the back of hands ... Fever + facial rash ... #differential #diagnosis
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
progressive infection ... less apparent secondary ... As the infection ... #Photo #Dermatology ... #Leg #SkinRash
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
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... margins on scalp/face ... Secondary to venous ... tapioca-like vesicles on hands ... Well-demarcated erythema
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... Herpes zoster 3 ... Irregular pustules on hands ... Generalized itchy rash ... Secondary syphilis