9 results
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 ... #Amoxicillin #Palms ... #Photo #UCSDH
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary ... of the hands and ... #Rash #Diagnosis ... #Clinical #Photo
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
lymphadenopathy Early Secondary ... Fever, malaise • Rash ... (can include palms ... infection Late Tertiary ... symptoms #signs #diagnosis
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Zoster, Coxsackie (hand ... Meningococcal meningitis, Secondary ... syphilis, Disseminated ... Noninfectious: SJS/TEN, Erythema
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Secondary Syphilis ... - Rash, pink ... Involves palms/soles ... secondary syphilis ... #Diagnosis #Staging
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... central clearing • Secondary ... Syphilis - Red ... plaques on palms ... Papulosquamous #SkinRash
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 ... #Eczematous #SkinRash
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
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
MCC: HSV 1): • Herpes ... Maculopapular rash ... • In tertiary ... syphilis, neurosyphilis ... • Uveitis • Rash