Pityriasis lichenoides (PL) is a dermatologicdisorder that manifests in either the acute (pityriasislichenoides et varioliformis acuta) or the chronic form(pityriasis lichenoides chronica, also known as parapsoriasis chronica). Traditional first-line therapy consists ofcorticosteroids or antibiotics; however, these treatments areoften accompanied with multiple side effects and may beineffective.