Pityriasis Lichenoides (PLC and PLEVA)

Serving Hamilton, Stoney Creek, Grimsby and surrounding areas

Pityriasis Lichenoides Chronica – Close Up

PLC – Lower Back

PLEVA – Trunk

PLEVA – Close Up

Pityriasis Lichenoides:

  • Pityriasis lichenoides is the name given to a rash with two variations
  • Pityriasis Lichenoides Chronica (PLC)
    • The mild chronic form
    • Typically presents with symptomless, small, scaling small bumps that spontaneously flatten, turn brown and regress over a period of weeks
    • May come and go, and can last for months or years
    • Most commonly occurs over the trunk, buttocks, arms and legs, but may also occur on the hands, feet, face and scalp
  • Pityriasis Lichenoides et Varioliformis Acuta (PLEVA)
    • The acute form of pityriasis lichenoides
    • Is characterized by the abrupt eruption of small scaling bumps that develop into blisters and crusted red-brown spots, sometimes filled with blood or pus
    • Most often occurs on the trunk and extremities and the spots may be itchy or painful
  • Most often affects adolescents and young adults, usually appearing before the age of 30
  • Is slightly more common in males
  • Is of unknown cause
  • Is not contagious or due to diet

Treatment of Pityriasis Lichenoides:

  • Pityriasis lichenoides may not always respond to treatment and frequently returns when treatment is stopped
  • The treatment for both PLC and PLEVA is the same
  • If the rash is not causing symptoms, treatment may not be necessary
  • Minor outbreaks can be controlled with various creams
  • If the rash is not responding after one month, you should contact your doctor
  • In severe cases, stronger treatments are required
    • These medications have numerous possible side effects and require careful monitoring by your doctor