What is Topical PUVA Therapy?
Topical PUVA involves application of the drug Psoralen which, after absorption, is activated’ by UVA light given in a strictly monitored dose. The Psoralen is contained in a Gel. Several different skin diseases can be treated effectively with PUVA. What is the UVA Light? Light is classified into many different wavelengths or parts. One part is known as Ultraviolet Light, a normal component of sunlight. Artificial light sources are now available that produce Ultraviolet A. What should you do before PUVA Therapy? You may be asked to attend a phototesting session 3 days before starting treatment, involving a trial exposure of small areas of skin (usually on the arm), to test your sensitivity to PUVA therapy. Please do not use any ointments or creams, perfumed soaps or toiletries immediately before coming for treatment. Do not use Coal Tar preparations for at least 24 hours prior to PUVA. This is because some perfumes and medicines contain chemicals which increase light sensitivity, and mi
