Gene Polymorphism in Tinea Versicolor

Inclusion Criteria: * \- Patients with recurrent pityriasis versicolor (active now) and not taking treatment for it. * Patients of both genders. * Age ≥18 years old. Exclusion Criteria: * \- Patients with other cutaneous diseases. * Patient's having dandruff (scaly scalp) even if not symptomatizing. * Pregnant and lactating females, children, prisoners, cognitively impaired or mentally disabled subjects. * Patients with autoimmune diseases. * Patients with immunodeficiency diseases. * Immunosuppressed patients e.g. HIV, diabetics, organ transplant, malignancy, patients taking immunosuppressive drugs e.g. chemotherapy, cortisone.