68 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 ... Giardiasis #Erythema ... #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 ... #Dermatology #SkinRash ... #Clinical
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Images #Clinical ... #Dermatology #SkinRash ... #Erythema #ENodosum
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Most cases are idiopathic ... drugs, systemic disease ... Centrifugum #EAC #clinical ... #photo #dermatology ... #skinrash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
- Differential Diagnosis ... Blisters - Primary Dermatologic ... pemphigoid • Erythema ... MucousMembranes #dermatology ... #Algorithm #causes
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... - Differential Diagnosis ... Coagulation #Bleeding ... #Algorithm #Causes ... #Hematology
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
vasculitis which causes ... UCSD Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Pyoderma
Benign Familial Pemphigus (Hailey-Hailey Disease): Idiopathic recurrent erruptions, in this
case affecting this axilla.

Charlie Goldberg, M.D. -
(Hailey-Hailey Disease ... erruptions, in this case ... UCSD Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash
Hand, Foot, and Mouth Disease: A febrile illness (caused by Coxsackie Virus) associated vesicle formation on
Foot, and Mouth Disease ... febrile illness (caused ... Images #Clinical ... #Dermatology #Pediatrics ... #SkinRash #HFMD