Introduction

Acne rosacea is a chronic skin disease of unknown aetiology.

Epidemiology

  • Incidence: 165.00 cases per 100,000 person-years
  • Peak incidence: 40-50 years
  • Sex ratio: more common in females 1:1
Condition Relative
incidence
Seborrhoeic dermatitis in adults3.03
Periorificial dermatitis1.21
Rosacea1
<1 1-5 6+ 16+ 30+ 40+ 50+ 60+ 70+ 80+

Clinical features

Features
  • typically affects nose, cheeks and forehead
  • flushing is often first symptom
  • telangiectasia are common
  • later develops into persistent erythema with papules and pustules
  • rhinophyma
  • ocular involvement: blepharitis
  • sunlight may exacerbate symptoms/

© Image used on license from DermNet NZ

© Image used on license from DermNet NZ

© Image used on license from DermNet NZ
Image showing a rhinophyma - a late complication of severe rosacea

Management

Management
  • topical metronidazole may be used for mild symptoms (i.e. Limited number of papules and pustules, no plaques)
  • more severe disease is treated with systemic antibiotics e.g. Oxytetracycline
  • recommend daily application of a high-factor sunscreen
  • camouflage creams may help conceal redness
  • laser therapy may be appropriate for patients with prominent telangiectasia