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White patch of skin on knee
White patch of skin on knee










Scleroderma is a rare but serious autoimmune disease that causes parts of the skin to harden. Usually these patches are flat, look faded, and may even feel numb. Hansen's disease (leprosy) is a bacterial infection that can also cause discolored patches of skin. Tinea versicolor is caused by a fungal infection and leads to patches of discolored skin with a fine, dry, scaly surface. The spots often start as slightly red, scaly patches on the face, upper arms, neck, and upper middle section of the body. Pityriasis alba is a common skin disorder that causes areas of light-colored skin. Vitiligo is an autoimmune disease that causes your skin to lose color, often resulting in white patches on your skin that cover both sides of your body. Here are a few conditions and what they look like, including vitiligo. Vitiligo is not the only disease that causes skin to change color.












White patch of skin on knee