Guttate psoriasis mainly affects the trunk and proximal ... psoralen plus exposure to ultraviolet A radiation (PUVA), tar, and vitamin D3 analogues. Empiric treatment for streptococcal infection ...

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 ...

Several forms of UV light are used to treat psoriasis including, BB-UVB, NB-UVB, PUVA, and laser excimer therapy. Each has a unique treatment schedule and maintenance follow-up. All increase the ...