21 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Psittacosis, Bartonella, Syphilis ... Giardiasis #Erythema ... #Differential # ... Diagnosis #Dermatology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Differential Diagnosis ... meningitis, Secondary syphilis ... Noninfectious: SJS/TEN, Erythema ... #Differential # ... Diagnosis #dermatology
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Reactive #SkinRash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint Pain - Differential ... • Secondary Syphilis ... Fifth Disease (Erythema ... Lyme Disease (Erythema ... #Orthopedics #Causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... • Cause is unknown ... comparison #table #differential ... #diagnosis #dermatology
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... #Nodosum #Causes ... #Dermatology #SkinRash ... #Clinical
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... palms/soles - Differential ... diagnosis: secondary syphilis ... Pityriasis #rosea #clinical ... #dermatology #photo
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... syphilis is the ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Bartonella spp., syphilis ... #Nodosum #Causes ... #Differential # ... Diagnosis #Clinical
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... - Differential ... Well-demarcated erythema ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes