Psoriasis

Question 1

Symptoms of psoriasis

Answer 1

• Pruritic and erythematous lesions
• SILVERY-WHITE SCALES due to excessive skin proliferation
• Well-demarcated papules and plagues

Question 2

Psoriasis is most likely present in which areas of the skin?

Answer 2

• Back of neck
• Elbows
• Knees
• Trunk
• Lower extremities

Question 3

Classification of psoriasis

Answer 3

• Mild: <5% BSA affected
• Moderate: 5 to <10% BSA
• Severe: ≥10%

(one hand = 1% BSA)

Question 4

Severity of psoriasis that excludes patients from self-treatment?

Answer 4

Moderate and severe (cannot self-treat, may need phototherapy and POM meds like methotrexate)

Question 5

Mainstay of therapy for mild psoriasis

Answer 5

Topical corticosteroids + PRN moisturiser

Question 6

Topical preparations for mild psoriasis other than emollients and topical steroids?

Answer 6

1. Coal tar 0.5 - 5%
2. Salicylic acid 1.8 - 3%

Question 7

Non-pharmacological management of psoriasis

Answer 7

1. Logbook to identify and avoid triggers
2. Weight management, healthy diet, reduce alcohol intake
3. Psychological management