Consultation: Is it vitiligo that the rubbing white spot turns red?

I just found a few white spots on my arm some time ago. At first, I didn't care too much. I thought it was skin allergy. It will be fine in a few days. Who knows that it is almost two months now, and the white spots have not disappeared, but there are signs of diffusion. I tried to rub the white spot with my hand, and it turned red. Is this vitiligo? How should the white spot on the arm be diagnosed as vitiligo? If it is really vitiligo, is it easy to treat? Experts answer because the incidence of vitiligo has risen sharply in recent years, many people first think of vitiligo when they have leukoplakia, but it is not necessarily vitiligo when they have leukoplakia on their arms. I suggest that you must have a scientific examination and diagnosis. Because your description is not very clear, we can't be sure that you have vitiligo, and you need further examination to make a definite diagnosis. However, it can be preliminarily diagnosed by the following points: 1, vitiligo appears as white or milky white spots, and the skin on the surface of leukoplakia is smooth without scales. The patient has no conscious symptoms and is generally painless. 2. The boundary between vitiligo affected area and normal skin is blurred, except that the color turns white, there is no difference between other skin and normal skin, and leukoplakia tends to spread to normal skin. 3, vitiligo leukoplakia is sensitive to sunlight, clinical treatment found that leukoplakia will appear red and swollen after sunlight exposure, accompanied by burning sensation. 4, vitiligo If you rub the white spot with your hand, the white spot will turn red and the surrounding skin will turn red. After stopping rubbing, it will return to its original skin color. You can make a preliminary diagnosis through the above points, but in order to confirm the condition, I suggest you come to the hospital for scientific examination in time. Our hospital has seven authoritative vitiligo detection technologies, including immune system detection, trace element detection, anti-melanocyte antibody detection, melanocyte deletion detection, wooden lamp detection, three-dimensional skin CT, microcirculation disturbance detection and so on. These are the most advanced routine examinations for vitiligo, which provide a reliable guarantee for the diagnosis, treatment and rehabilitation of vitiligo to the greatest extent.