Vitiligo: A skin disease that causes a loss of skin color in blotches. Vitiligo occurs when pigment-producing cells die or stop functioning. The loss of skin color can affect any part of the body, including the mouth, hair, and eyes. It may be more noticeable in people with darker skin.
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If you have developed red, purplish, or blackish itchy eruptions on your skin then don’t ignore them. It could be Lichen planus. For the confirmatory diagnosis, you should consult a good dermatologist. 
Lichen Planus is an autoimmune disorder, where the immune system attacks the.....Read more