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Vitiligo is more noticeable in darker skinned people because of the contrast of white patches against dark skin.
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Vitiligo is a disorder with complex causes. People with vitiligo seem to inherit a genetic predisposition for the disorder, and the appearance of disorder can be brought on by a variety of precipitating causes. Many people report that their vitili...
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Cyanosis is a bluish color to the skin or mucus membranes due to a lack of oxygen in the blood.
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Detecting changes in skin color is challenging because there is such a wide range of skin coloration in all individuals. Subtle changes like skin blanching may occur gradually over time, or there may be a sudden onset.
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