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Ultraviolet light (UV)
Ultraviolet light (UV rays) are invisible rays of energy produced by the sun (and tanning beds).  UVB is a type of UV ray that causes sunburns. UVA is a type of UV ray that penetrates more deeply than UVB, and causes premature aging. Both UVA and UVB are associated with an increase risk of skin cancer.

Urticaria
An allergic reaction of the skin. Commonly called hives.

Varicella
The virus that causes chickenpox. It also may be reactivated years later and cause shingles (see also zoster.)

Varicose veins
These swollen leg veins are engorged with blood and often distort the surface of the skin. Treatment options include with compression sclerotherapy, ambulatory phlebectomy, and endovenous procedure.

VelaSmooth
This device uses a combination of suction and radio frequency to recontour the dimpling pockets of fat that appear as cellulite Although it’s not a cure, it can be moderately effective in making those pockets less visible and in actual fat reduction

Vesicle
A small blister that measures no more than 1cm (0.4 inches) at its greatest diameter. Smaller than a bulla. If the lesion has pus but no fluid inside, it is referred to as a papule.

Vibradermabrasion
This uses a vibrating device to remove layers of dead and damaged skin cells and may be uses as an alternative to microdermabrasion.

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Last updated November 25, 2009

This information is for general educational uses only. It may not apply to you and your specific medical needs. This information should not be used in place of a visit, call, consultation with or the advice of your physician or health care professional. Communicate promptly with your physician or other health care professional with any health-related questions or concerns.

Be sure to follow specific instructions given to you by your physician or health care professional.