Discoid Eczema, scaly, well demarcated, itchyZ

Infective eczema (Infected) / cellulitis + Hx topical steroid w/o responseZ

Allergic Dermatitis Eczema

Eczema CS-OSPE

Describe this lesion:Z

  • 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
    • EmollientsZ
    • Topical steroidsZ
  • 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.

#Z infective eczema


Chronic Eczema with lichenification.

What is the Diagnosis?

  • Chronic Eczema with lichenification.

What is the Clinical Presentation?

  • Thickening of the skin.
  • Macule.
  • Patch.
  • Fishers: lines due to lichenification which cause chronic itching.

What is the Pathology?

  • Chronic skin condition associated with barrier dysfunction.
  • Severe inflamed dermatitis.

What is the Treatment?

  • Withdrawal or avoidance of the triggering substance if present.
  • Emollients: 3 times/day & after bathing to combat dryness.
  • Antihistamine: for itching.
  • Anti-inflammatory/Steroid: depends on the area of the lesion & if treating a baby, give low potent.
  • Antibiotic: if due to secondary infection.