Will the vitiligo patches spread over time? Will they get larger?

In most, but certainly not all cases, vitiligo does progress slowly over time, but there is really no way to tell whether your vitiligo will progress or not. It is a slow progressing condition however, and most patients report that they may go many years without new patches developing, and then may discover new patches appearing years later. Use of new technologies however, may be able to arrest new spots in their development.