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Narrowband UVB - A type of light therapy (phototherapy) used in the treatment of psoriasis. Narrow band is less likely to cause burning to the skin because it eliminates the shorter wavelengths (intense energy levels) that are commonly used in broadband UVB therapy. Narrow band treatment exposes patients to safer levels of ultraviolet light, which may make treatment less carcinogenic.
Nail Psoriasis - A type of psoriasis that affects the nails, it is very common with those that have any form of the disease. In nail psoriasis, the skin under the nail often takes on a reddish-brown discoloration, the skin surrounding the effected nail may swell causing the nail to separate from the nail bed.
Necrosis - The death of cells in an organ, bone, or tissue which can be caused by a lack of blood supply, certain chemicals or toxic substances.
Neem - East Indian tree (Azadirachta indica) widely cultivated in Asia for its leaves and aromatic seed oil, which are used as ingredients in a number of skin care products. Neem moisturizes the skin while it helps heal the lesions, scaling and irritation of psoriasis.
Nodule - A lesion that may be deep seated in the dermis or subcutaneous tissue which creates a bump on the skins surface.
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