Dear Doctor . My 6 year old son have some white marks on his face . We consult with a dermatologist. She said it is a mild case of vitiligo. She prescribe PIGMENTO Tablets and Elocon cream. After one month treatment 70 percent of marks disappear and the tretment is still going on. Do we need to continue the medicine after the period of her treatment ? Truly Yours , Ilyas Valiyapeediyekkal , Qatar