17 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
found in 60% of cases ... Drugs (antibiotics ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... Diagnosis Appearance ... Diagnosis #Dermatology ... #SkinRash #Clinical
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Most cases are idiopathic ... with infections, drugs ... EAC #clinical #photo ... #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
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
Severe Drug Rashes ... #Rashes #Comparison ... #TABLE #DRESS # ... #Erythroderma #Dermatology ... #Emergency #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
a "wood-grain" appearance ... malignancies, and drugs ... #comparison #table ... #differential # ... diagnosis #dermatology
Time after drug administration to rash appearance

- Dr. Steven Chen @DrStevenTChen

#Drug #Rash #appearance #Timeline #Dermatology #Onset
Time after drug ... appearance - ... #Rash #appearance ... #Timeline #Dermatology ... Onset #Timing #Differential
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
macule and papule (Table ... febrile have a wide differential ... with either a drug ... have a broader differential ... #Diagnosis #Dermatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Drug Reaction with ... extensive skin rash ... to a coalescing erythema ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... - Differential ... • Phototoxic drug ... Vesiculobullous #SkinRash ... #dermatology #Differential