Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Therapeutics > Physical Therapy Techniques > Phototherapy > Ultraviolet Therapy Terms and Definitions

Ultraviolet Therapy

Medical Definition:	The use of ultraviolet electromagnetic radiation in the treatment of disease, usually of the skin. This is the part of the sun's spectrum that causes sunburn and tanning. Ultraviolet A, used in PUVA, is closer to visible light and less damaging than Ultraviolet B, which is ionizing.
Guide Notes:	non-ionizing but short-wave UV is ionizing; do not use /util except by MeSH definition; coord with dis /radiother, not dis /ther; do not index here for ultraviolet ther in PUVA THERAPY unless particularly discussed

Ultraviolet Therapy Categories.

PUVA Therapy - Photochemotherapy using a psoralen compound as the photosensitizing agent and ultraviolet light type A (UVA).

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