Lichen Planus

Question 1

What is lichen planus?

Answer 1

A skin disorder of unknown aetiology

Question 2

How does lichen planus present?

Answer 2

• Itch, papular rash most common on the palms, soles, genitalia and flexor surfaces on arms
• Rash is often polygonal with ‘white lines’ pattern on the surface
• New skin lesions may appear at the site of trauma
• White-lace pattern on the buccal mucousa may be present
• Nail thinning

Question 3

How is Lichen planus managed?

Answer 3

• Potent topical steroids
• Benzydamine mouthwash/spray for oral lichen planus
• Extensive disease may need oral steroids/immunosuppresion