39 results
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... #Erythema #Multiforme ... #Back #Photo #UCSDH
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... #Erythema #ENodosum ... #Photo #UCSDH
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
extensive edema, erythema ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... Fasciitis #Bullae #UCSDH
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
with systemic symptoms ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... Urticaria #Hives #UCSDH
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... #Differential #Diagnosis ... #Dermatology #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... lasts <24hrs • Erythema ... nodules on shins • Erythema ... #Reactive #SkinRash ... #Differential #Diagnosis
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... and Differential Diagnosis ... healing process) #Erythema ... #Differential Diagnosis ... #Dermatology #SkinRash
3 Stages of Lyme Disease 
Early Lyme Disease 
 - Erythema migrans 
 - Constitutional symptoms
Lyme Disease - Erythema ... Constitutional symptoms ... Gastrointestinal symptoms ... InfectiousDiseases #Diagnosis
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
dermatology-mnemonics-6011359#5 #diagnosis ... #differential #symptoms ... dermatology #skin #skinrash
Pulmonary Embolism - Signs and Symptoms
Most Common Presenting SYMPTOMS 
 - Dyspnea at rest or with
Embolism - Signs and Symptoms ... Common Presenting SYMPTOMS ... thigh swelling, erythema ... AcutePE #Signs #Symptoms ... #Diagnosis