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PUVA also referred to as photochemotherapy or light therapy, is a combination of Ultraviolet light and medication. PUVA therapy is given as a series of treatments for various skin disorders such as leucoderma, psoriasis, chronic dermatitis.
PUVA helps by restoring the accelerated cell division to normal & reducing the inflammatory cells thereby causing flattening of the lesions..
Phototherapy sittings are usually given twice or thrice a week on alternate days in leucoderma the response i.e. regimentation of the white patches is seen in the form of color spreading around the hair follicles and margins of the patches; it may take 3 months to one year for significant regimentation leucoderma, psoriasis, chronic dermatitis.
From the onset of taking the medicines (Psoralens) the skin's sensitivity to sunlight increases therefore the patient must avoid undue exposure to sunlight on the days of treatment.
Side effects of this treatment are rare , some patients can have headache, dizziness and nausea. PUVA helps by restoring the accelerated cell division to normal & reducing the inflammatory cells thereby causing flattening of the lesions.