22 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... #SkinRash #Erythema ... #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
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Nodosum - Mnemonic ... #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... #SkinRash #Erythema ... #Back #Photo #UCSDH
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... lasts <24hrs • Erythema ... Nodosum - Tender ... #Reactive #SkinRash ... #dermatology #Differential
Tinea Pedis: Scaly red erruption of the feet caused by fungal dermatitis.

Charlie Goldberg, M.D. - UCSD
Tinea Pedis: Scaly ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #SkinRash #Tinea ... #Pedis #Foot #UCSDH
Red Leg - Cellulitis Mimickers
 - Unilateral
     • Contact Dermatitis
• Tinea Pedis ... Acute Gout • Erythema ... Nodosum • ... Arthritis • Erythema ... redleg #diagnosis #differential
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
extensive edema, erythema ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #SkinRash #Necrotizing ... Fasciitis #Bullae #UCSDH
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
food allergies, meds ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #SkinRash #Urticaria ... #Hives #UCSDH
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema ... Lyme disease Erythema ... nodosum • Sarcoidosis ... Sarcoidosis #dermatology ... #skin #rashes #differential