23 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... macules, papules, vesicles ... #Reactive #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... Diagnosis Algorithm Vesicles ... foliaceus - Infectious ... Vesiculobullous #SkinRash ... #dermatology #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... Rash is usually ... Erythema infectiosum ... differential #diagnosis #dermatology
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
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Streptococcal infection ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Most cases are idiopathic ... associations with infections ... clinical #photo #dermatology ... #skinrash
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
virus mediated infection ... All vessicles in ... this case have ... Clinical #Photo #Dermatology ... #SkinRash #Herpes
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... borders of lips Infectious ... #Pustular #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Trauma - Infection ... Disseminated gonococcal infection ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
forehead, chin - Erythema ... , vesicles, scale ... honey-colored crusts ... ; pruritis #dermatology ... #rash #differential