11 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Drugs (antibiotics ... HepB, HepC Bacterial ... #Differential #Diagnosis ... #Dermatology #SkinRash
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
virus mediated ... vessicles in this case ... superimposed bacterial ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... to 10 percent): antibiotics ... - Viral: herpes ... - Bacterial ... #Differential #Diagnosis
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Leishmaniasis - Viral - Herpes ... simplex - Bacterial ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... - Differential Diagnosis ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... #Hematology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Encephalitis and Bacterial ... MCC: HSV 1): • Herpes ... 10 weeks after erythema ... - History of erythema ... stain: Previous antibiotics
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
- Differential Diagnosis ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #dermatology #Differential ... #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Herpes simplex ... crusted erosions • Herpes ... zoster - Dermatomal ... ; pruritis #dermatology ... #differential #diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Treponema pallidum bacterial ... resembling rashes caused ... Syphilis #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Monkeypox

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
disease that is caused ... DDX: Varicella, Herpes ... : • Cutaneous bacterial ... Monkeypox #MPOX #Diagnosis ... #Management #Dermatology