23 results
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
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... symptoms #signs ... #dermatology #skin ... #skinrash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... Diagnosis Appearance ... Diagnosis #Dermatology ... #SkinRash #Clinical
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... Diagnosis Algorithm ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Noninfectious: SJS/TEN, Erythema ... #Rash #Differential ... #Diagnosis #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Lyme disease Erythema ... • Rheumatic fever ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Diagnosis Algorithm ... Skin • Palmar erythema ... Campbell de Morgan spot ... • Chadwick's sign ... Pregnancy #skin #dermatology
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Diagnosis Malar ... Suggestive of: Rheum Fever ... Erythema migrans ... : • Target sign ... gabrieltalledop #dermatology
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... , the differential ... or Nikolsky sign ... #Diagnosis #Dermatology ... #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... • Fever + facial ... comparison #table #differential ... #diagnosis #dermatology