Tuesday, March 12, 2013

Vitilogo leads to Emotional & Social Distress !

Vitiligo is a common skin condition in which white patches appear on the skin. Anybody can be affected irrespective of age, sex and race. The exact cause of vitiligo is not known. There appears to be a genetic predisposition. Environmental risk factors (stress, traumatic events, injury) could be the precipitating factors. Vitiligo is not contagious or infectious. There is no scientific basis to prove that any specific type of food causes or worsens vitiligo.

Diagnosis is mostly clinical. Vitiligo can be difficult to treat and results can take time. When results are not seen with one treatment, another may work better. Presently there are number of treatment options available: Steroids creams, Placental extract, PUVA therapy, Broad band UVB and oral medications. Newer modalities of treatment are Calcipotriol, immunomodulator creams, narrow brand UVB and pigment transplantation.

NB UVB is relatively recent therapy involves exposure of the vitiligo patches to ultraviolet B rays of narrow range of wavelength of 310 to 315 nm, with a peak at 311 nm. This therapy does not require ingestion or topical application of psoralens, hence there are very few side effects. Furthermore it can be safely used in pregnancy and in children. It works by stabilisation of depigmentation process, activating residual melanocytes and immunomodulating effects.

Vitiligo is not fatal and it does not have other physical symptoms other than white patches. But, the emotional and social effects of vitiligo on people are well-documented.

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