Vitiligo is an acquired, often familial, melanocytopenic disorder that produces focal depigmentation of the skin.
About half of the patients has onset of lesion before the age of 20.
It is a progressive disease wherein spontaneous repigmentation may occur within 6 months.
Precipitating factors include emotional stress, sunburn, chemical exposure, skin trauma, inflammation, irritation or rash that may precede the lesions by 2-3 months.
Lesions are white-colored macules or patches with well-defined borders and otherwise normal skin surface.
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Diaper rash or perianal dermatitis is a common condition among young infants. It is a form of skin inflammation characterized by red and tender-looking skin in the diaper region—encompassing the buttocks, thighs and genitals.