hi doc im 46 yrs old female fm,i hv had vitiligo patches since last 9 mnths on thighs ,hips and on feet .though they r abt 5 _6 only ,im on betnesol forte twice a week,melenocyl thrice a week followed by uva lamp expose.a tab of follivite twice daily ,melgain lotion at nite.but 4 months aftr betnesol forte i hv put on 2 kgs,my patches hv recovered 70%i want to knw how long will i hv to continue betnesol and if i leave can the patches reappear. xyz