Lichen Planus

Lichen planus is a skin condition characterised by very itchy, raised lesions affecting the flexor surfaces, palms & soles, & mucous membranes.

Papules are initially red but become purple in colour. Papules flatten over a few months to leave pigmentation.

The cause of lichen planus is unknown.

Lichen planus affects men more than women.

Treatment

The condition is self-limiting in most patients. In moderate to severe cases, steroid creams may provide symptomatic relief.

Specialist treatment involves oral steroids &/or PUVA (psoralen ultraviolet A).

- Nail involvement (pitting & grooving)
- Scarring alopecia (scarring of the scalp)
- Malignanat change (very rare)

50% of cases are clear in less than 9 months. 15% have continuing symptoms beyond 18 months. 1 in 5 have a further attack.

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