White spots on the arm will get vitiligo?

Vitiligo patients due to autoimmune disorders, resulting in healthy cells at the arm were attacked, so that melanin production decreased, white spots appear. If it is caused by pityriasis versicolor, so that arm skin pigment metabolism abnormal, resulting in reduced melanin, this phenomenon will also occur, and vitiligo has nothing to do with this time.

If diagnosed with vitiligo, you can use vitamin D3 derivatives, calcineurin inhibitors and other drugs under the guidance of a doctor to help improve the condition.