2024-09-10 Many patients feel panicked when faced with their condition and eventually find suitable treatment methods, but there are still adverse reactions after treatment, which can destroy them.You should know that vitiligo is a skin disease that is easy to spread, and any external damage can easily lead to the spread of white patches.How to deal with the adverse reactions during phototherapy and prevent the spread of vitiligo? Don't worry, let's see what the phototherapy therapist has to say.