Exclusion criteria
LICHENOID REACTION

Patients taking systemic drugs such as systemic steroids, or other immunosuppressive therapies for at least 8 weeks prior to the study.Patients treated with any oral topical medications for at least four weeks prior to the study.Patients receiving any medication either topical or systemic that could cause lichenoid reaction during the 3 months before the study.Patients with suspected restoration or drug-related lichenoid lesions.Pregnant and lactating females.
