80 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... #Dermatology #SkinRash
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm Vesicles ... blisters, possibly crusts ... Contact dermatitis Vesicles ... Vesiculobullous #SkinRash ... Diagnosis #Algorithm #causes
Hand, Foot, and Mouth Disease: A febrile illness (caused by Coxsackie Virus) associated vesicle formation on
febrile illness (caused ... Virus) associated vesicle ... Dermatology #Pediatrics #SkinRash ... HandFootMouthDisease #Coxsackie #Vesicle
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
macules, papules, vesicles ... #Reactive #SkinRash ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Erythematous papules and vesicles ... Deep-Seated tapioca-like vesicles ... erythema, papules, vesicles ... #Eczematous #SkinRash ... Diagnosis #Algorithm #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
All vessicles in ... this case have ... #Dermatology #SkinRash
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Arthropod bites Vesicles ... Myelodisplastic syndrome ... Diagnosis #Algorithm #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Algorithm Elevated - Vesicles ... ) • Reiter's syndrome ... ) • Behcet's syndrome ... Diagnosis #Algorithm #causes
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
dermatophyte infection Caused ... meatballs appearance Management ... #Dermatology #SkinRash ... #Diagnosis #Management