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Rosacea — SCE Dermatology MCQ

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EasyInflammatory DermatosesRosaceaSCE Dermatology

A 67-year-old woman presents with recurrent flushing episodes triggered by alcohol, spicy food, and temperature changes. She has persistent centrofacial erythema and visible telangiectasia but no papules or pustules. Her eyes are not affected. What subtype of rosacea is this?

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Correct answer: B — Subtype 1 — Erythematotelangiectatic rosacea

Erythematotelangiectatic rosacea (subtype 1) is characterised by flushing (transient erythema), persistent centrofacial erythema, and telangiectasia without inflammatory papules or pustules. Triggers include alcohol, spicy food, temperature extremes, UV exposure, and emotional stress. Treatment focuses on trigger avoidance, sun protection, topical Brimonidine gel (alpha-2 agonist that reduces erythema via vasoconstriction), and pulsed dye laser or IPL for telangiectasia. Subtype 2 (papulopustular) requires anti-inflammatory treatment with topical Metronidazole/Ivermectin or oral tetracyclines.

Reference: BAD 2021 Rosacea Guidelines; NICE CKS