Common causes of white skin on the soles of the feet include vitiligo, plantar skin maceration, and other systemic diseases.
1. Vitiligo: the etiology of this disease is unknown, may be associated with autoimmunity, oxidative stress, melanocyte self-destruction, neurochemical factors, genetic factors, etc., manifested in the skin and mucous membrane pigmentation loss patches, occurring in the soles of the feet can be seen in the shape of round, oval, polygonal and other shapes of the pigmentation loss patches, which can be accompanied by itching.
2. Plantar skin impregnation: it can be caused by physiological factors, such as excessive sweating, breathable shoes, etc., resulting in plantar skin impregnation and whitening of the skin; it can also be caused by pathologic factors, and the common diseases are hyperhidrosis of the palms and toes, interfertile erosive foot tinea pedis, herpes perspiration and so on, which are often accompanied by excessive sweating or exudation, and the plantar skin can be whitened by impregnation.
3. Other systemic diseases: such as anemia, lower extremity circulatory disorders, malnutrition and other diseases of patients, can also be manifested as plantar skin whitening, but these diseases are often accompanied by other parts of the body or systemic discomfort.
It is recommended that patients go to the dermatology department of the regular hospital, after a clear diagnosis, under the guidance of the doctor, active treatment, to avoid delaying the condition.