What are the possible reasons for white patches appearing on the skin?

White patches on the skin are typically caused by factors such as UV radiation, vitamin deficiency, irritation from radioactive substances, anemia, or vitiligo, among others. A dermatological examination is recommended. Here are some possible causes and their corresponding measures:

1. UV Radiation

Long-term exposure to UV rays and loss of melanin can be responsible. It is crucial to adopt sun protection measures.

2. Vitamin Deficiency

Picky eating habits over an extended period can lead to vitamin deficiency, manifesting as white patches. Maintaining a balanced diet is essential.

3. Irritation from Radioactive Substances

Prolonged contact with radioactive materials can irritate the skin. Adjusting the environment to minimize exposure is recommended.

4. Anemia

Decreased hemoglobin levels in the blood can cause white patches, along with a deep yellow hue to the skin. Medications like ferrous lactate oral solution, Danggui Buxue oral solution, and ferrous sulfate syrup can be prescribed under a doctor's supervision.

5. Vitiligo

Vitiligo is another possibility, causing white spots of varying sizes on the skin. Depigmentation treatments may be an option. Regularly monitoring skin changes, practicing good skin care, and opting for loose-fitting clothing to reduce friction are advised.