6892 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 ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... with variety of causes ... • Cause is unknown ... #differential #diagnosis
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... Diagnosis Appearance ... #Nodosum #Causes ... #Differential Diagnosis
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... lasts <24hrs • Erythema ... nodules on shins • Erythema ... #Differential #Diagnosis ... #Algorithm #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential Diagnosis ... Fifth Disease (Erythema ... Lyme Disease (Erythema ... #Differential #Diagnosis ... #Orthopedics #Causes
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential Diagnosis ... Imperative to diagnose ... Acute bursitis • Erythema ... Polyarthritis nodosum • Erythema ... #Differential #Diagnosis
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... malignancies #Erythema ... #Nodosum #Causes ... #Differential #Diagnosis
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
- Differential Diagnosis ... Skin • Palmar erythema ... #Differential #Diagnosis ... #Algorithm #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
- Differential Diagnosis ... pemphigoid • Erythema ... #Differential #Diagnosis ... #Algorithm #causes
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
- Differential Diagnosis ... gynecomastia, and palmar erythema ... Post-Hepatic: • Cardiac causes ... #Differential #Diagnosis ... #causes #hepatology