Discoid Eczema
Infective eczema (Infected)
Allergic Dermatitis
Eczema
Eczema CS-OSPE
Describe this lesion:
- Scaly plaque at heel, well demarcated, discoid margin
- Erythematous scaly plaque with demarcated margin
Diagnosis:
- What is the condition? Eczema
- If severely itchy, what’s the diagnosis? Discoid Eczema (Endogenous Chronic eczema)
- Infective eczema (Infected)
- History context for Infective Eczema: Filipina presents with severe itching, clobetasol ointment (topical steroid) showed no improvement. Given Fucidin antibiotic + corticosteroids and showed dramatic improvement.
- Allergic Dermatitis (as a cause of pruritus)
DDx:
- Psoriasis
- Discoid eczema
Types & Causes:
- Endogenous
- Exogenous
- 2 Causes of pruritus: Allergic dermatitis
- 2 Types of pruritus:
- Eczema
- Scabies
- cholastatic
- hemorrhagic
Management/Treatment:
- How to manage?
- Avoidants
- Emollients
- Topical steroids
- How to treat? Mild potent steroid and emollient
- For Infective eczema, how to manage?
- Treat infection
- Then start steroids
Special Considerations:
- When there’s a scale, what’s the 1st thing you do?
- Scraping test → KOH, To exclude fungal infection
- Note: ID reaction: Fungal infection (e.g., pedis) can cause eczema in any site of the body. Can’t control eczema unless clearing the fungal infection first.