Phototherapy involves the use of ultraviolet ... that would be necessary for more infiltrated lesions. In contrast to PUVA, UVB does not require the administration of a photosensitizing agent.

If psoriasis is extensive, phototherapy can be used in combination with other therapies. Broad band UVB, narrowband UVB, and PUVA are often successful. At our center, if a patient presents with ...

It is easier to use than other forms of phototherapy. It has fewer side effects compared to BB-UVB or PUVA. Both BB-UVB and NB-UVB therapy can benefit from the application of coal tar to the skin.

Those who have undergone phototherapy describe it as a warm sensation over their body. When the treatment is combined with a medication called psoralen, the patient’s body becomes more sensitive to ...