11 results
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Rash - Differential ... Scaly/Erythematous lesions ... Secondary to venous ... tapioca-like vesicles on hands ... Well-demarcated erythema
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Urticaria - Firm / edematous ... Multiforme - Target lesions ... on palms soles and ... #Reactive #SkinRash
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Zoster, Coxsackie (hand ... Meningococcal meningitis, Secondary ... Noninfectious: SJS/TEN, Erythema
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
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... ) ▪ Malaise, fever ... the palms of the hands ... #Rash #Diagnosis ... #Clinical #Photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... on the back of hands ... classic targetoid lesions ... #differential #diagnosis
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
and a fever may ... hand-foot-and-mouth ... with localized lesions ... and fever. ... contact dermatitis, herpes
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... Irregular pustules on hands ... Generalized itchy rash ... Pustules + Fever ... Secondary syphilis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis: • Fevers ... branches • Fever ... muscle weakness • Nerves ... , mucositis • Rash
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
Diagnosis? ... oral or genital herpes ... virus into the hand ... onset of edema, erythema ... Fever and lymphadenopathy