Photochemotherapy of psoriasis (PUVA).

Photochemotherapy for psoriasis using ordinary fluorescent blacklight combined with orally administered methoxalen was used in the treatment of 20 patients suffering from long standing psoriasis. Ten of the patients had complete clearing of their lesions, two had 75 percent or more clearance, one patient had 50 percent improvement and there was only slight improvement in two further cases. Side effects were minimal.