462 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Giardiasis #Erythema ... #Differential # ... #Dermatology #SkinRash
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Photo credit, Josh ... #Dermatology #SkinRash ... #Photo #UCSDH
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
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... Most cases are idiopathic ... 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 ... nodules on shins • Erythema ... #Reactive #SkinRash ... Diagnosis #Algorithm #causes
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... #Dermatology #SkinRash ... #Erythema #Multiforme ... #Trunk #Back #Photo
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... with variety of causes ... • Cause is unknown ... comparison #table #differential
Clinical Presentation of Conditions That Mimic Cellulitis and True Cellulitis 

 - Deep Vein Thrombosis
 -
- Hematoma - Erythema ... Diagnosis #Clinical #Photo ... Cellulitis #Mimics #Differential
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Systemic Signs (DRESS Syndrome ... medication (in this case ... #Dermatology #SkinRash ... #DRESS #Syndrome ... Eosinophilia #Legs #Photo