In most cases, it is preferable to use narrow band UVB (NB-UVB) light, since there is no need for systemic drugs like Methoxsalen and treatment times are short. Recent studies show that the use NB-UVB results in faster responses and longer remissions than with UVB broadband.
Using narrowband UVB, results are similar to a PUVA treatment without the adverse effects of the drug. Also, it is relatively easy for both you and your physician to monitor and control treatment. Narrowband UVB is often replacing conventional UVB because in many cases, it is safe and effective while taking less time.
NB-UVB is generally considered to be safe for children and lactating mothers. Many practitioners have noted a significant reduction in psoriasis scaling after the first 3 to 6 treatments and improvement may be noted after 6 to 9 treatments.
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