40 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Streptococcal infection ... Photo credit, Josh ... Images #Clinical #Dermatology ... #ENodosum #Photo
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Nodosum - Mnemonic ... cases Drugs (antibiotics ... HepB, HepC Bacterial ... Differential #Diagnosis #Dermatology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Nodosum Common ... 55 percent) - Infections ... to 10 percent): antibiotics ... - Bacterial
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... reaction from an antibiotic ... Images #Clinical #Dermatology ... #SkinRash #Erythema ... #Trunk #Back #Photo
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
inappropriate antibiotic ... nodosum • Pyoderma ... Polyarthritis nodosum ... • Erythema migrans ... mimickers #Causes #dermatology
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... mediated infection ... superimposed bacterial ... Images #Clinical #Photo ... #Dermatology #SkinRash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
inciting causes: infections ... mycobacterial infection ... nodosum • Tender ... of the pustular material ... differential #diagnosis #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... Lyme disease Erythema ... nodosum • Sarcoidosis ... Sarcoidosis #dermatology
Cellulitis: Redness and swelling resulting from bacterial skin infection.

Charlie Goldberg, M.D. - UCSD Catalog of Clinical
resulting from bacterial ... skin infection. ... Images #Clinical #Dermatology ... SkinRash #Cellulitis #Photo
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... associations with infections ... EAC #clinical #photo ... #dermatology #skinrash