Rash

Question 1

Describe Urticaria

Answer 1

• Pruritic, elevated lesions in skin with erythematous base (plasma leakage into tissue)
• Itchy +++
• angioedema (deeper tissues affected)

Question 2

DDx of Urticaria

Answer 2

• Erythema multiforme (not itchy, target lesions)
• Pityriasis rosacea (early lesion)
• HSP

Question 3

Management of Urticaria

Answer 3

• REFER IF ANGIOEDEMA OF AIRWAY (manage as anaphylaxis)
• reassurance
• remove triggers
• cool compress
• antihistamines (promethazine 0.2-0.5mg/kg OR cetirizine 0.2mg/kg)