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Psoriasis is a persistent and chronic skin disease which has a tendency to be genetically inherited. The word comes from ancient Greece, and means "to itch". Red eruptions appear on the surface of the skin and begin to itch. These areas form plaques over the reddened lesions. The plaques resemble multi-layered scales of skin. Psoriasis varies in intensity from a few random spots to a massive outbreak covering the entire body and requiring hospitalization.

UVB is light with a short wavelength that is absorbed in the skin's epidermis. An artificial source can be used to treat mild and moderate psoriasis. Some physicians will start treating patients with UVB instead of topical agents. A UVB phototherapy, called broadband UVB, can be used for a few small lesions, to treat widespread psoriasis, or for lesions that resist topical treatment. This type of phototherapy is normally given in a doctor's office or in the home by using a light panel or light box.

A newer type of UVB, called narrowband UVB, emits the part of the ultraviolet light spectrum band that is most helpful for psoriasis. Narrowband UVB treatment is superior to broadband UVB. It is gaining in popularity because it does help and is more convenient than PUVA. At first, patients may require several treatments of narrowband UVB spaced close together to improve their skin. Once the skin has shown improvement, a maintenance treatment once each week may be all that is necessary.

In some cases, psoriasis is so mild that people don't know they have it. At the opposite extreme, severe psoriasis may cover large areas of the body. Psoriasis cannot be passed from one person to another, though it is more likely to occur in people whose family members have it.

Psoriasis is treated with many techniques, our focus here at Amjo is the treatment using UV "ultraviolet" light as UVA (used with PUVA), UVB (broadband or conventional UVB) and now UVB Narrow Band or UVB narrowband sometimes called UVB 311. UVB 311 comes from the wavelength of UVB Narrowband Phototherapy which is centered around 311 nanometers.

www.kerneluvb.com -- The leader manufacturer of the UV phototherapy