Phototherapy uses narrow band UVB light at a specific wavelength selected for its therapeutic effect and minimal risk. As a result, patients with photo-responsive skin conditions, including psorasis, eczema, and vitilgo, can find relief without the traditional side effects associated with many medications or more invasive procedures.
How does phototherapy compare to other treatment options?
When compared with other modalities, such as systemic immunosuppressants and biologic medication, narrow band phototherapy has fewer risks and adverse reactions. Furthermore, if a patient decides to discontinue treatment, disease rebound and/or sudden flare-ups of symptoms are less commonly encountered.
Broadband UVB light has previously been utilized as treatment for a number of skin conditions. However, these broadband light waves, as the name suggests, include a wide range of wavelengths, some of which can potentially harm the skin if exposure lasts too long.
Narrow band UVB light emits just one wavelength. This targeted treatment delivers the highest level of efficacy in a safe, controlled fashion. As a result, patients can receive more aggressive treatment without the side effects that could result with broadband light.
This also means a wider range of people can use this technique for relief of their symptoms, and that results typically occur faster and last longer. Studies have shown that controlled and regulated exposure to narrow band phototherapy does not increase the risk for skin cancer.
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