14 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
medication (in this case ... Images #Clinical #Dermatology ... #SkinRash #DRESS ... #Syndrome #DrugReaction ... #Eosinophilia #Legs
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... #Nodosum #Causes ... #Differential Diagnosis ... #Dermatology #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... trailing scale that lags ... Most cases are idiopathic ... clinical #photo #dermatology ... #skinrash
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Ulcers of the Lower Legs ... / Feet - Differential ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Usually on lower legs ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... inflammation • Thrombocytopenia ... : - Thrombocytopenia ... reactions • Erythema ... #nonpalpable #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Pinpoint areas (less ... hemostasis: - Thrombocytopenia ... #dermatology #physicalexam
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Occurs on the arms, legs ... ) on the arms, legs ... Causes: - Idiopathic ... examination of small samples ... Syndrome #diagnosis #dermatology